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class="vector-toc-list"> <li id="toc-Male" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Male"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Male</span> </div> </a> <ul id="toc-Male-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Female" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Female"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Female</span> </div> </a> <ul id="toc-Female-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Microanatomy" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Microanatomy"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Microanatomy</span> </div> </a> <ul id="toc-Microanatomy-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Blood_and_nerve_supply_and_lymphatics" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Blood_and_nerve_supply_and_lymphatics"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>Blood and nerve supply and lymphatics</span> </div> </a> <ul id="toc-Blood_and_nerve_supply_and_lymphatics-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Development" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Development"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Development</span> </div> </a> <ul id="toc-Development-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Function" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Function"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Function</span> </div> </a> <button aria-controls="toc-Function-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Function subsection</span> </button> <ul id="toc-Function-sublist" class="vector-toc-list"> <li id="toc-Urination" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Urination"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Urination</span> </div> </a> <ul id="toc-Urination-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ejaculation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Ejaculation"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Ejaculation</span> </div> </a> <ul id="toc-Ejaculation-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Clinical_significance" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Clinical_significance"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Clinical significance</span> </div> </a> <button aria-controls="toc-Clinical_significance-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Clinical significance subsection</span> </button> <ul id="toc-Clinical_significance-sublist" class="vector-toc-list"> <li id="toc-Injury" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Injury"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>Injury</span> </div> </a> <ul id="toc-Injury-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Other" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Other"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Other</span> </div> </a> <ul id="toc-Other-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Catheterisation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Catheterisation"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.3</span> <span>Catheterisation</span> </div> </a> <ul id="toc-Catheterisation-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Other_animals" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Other_animals"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Other animals</span> </div> </a> <ul id="toc-Other_animals-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-History" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#History"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>History</span> </div> </a> <ul id="toc-History-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Additional_images" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Additional_images"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Additional images</span> </div> </a> <ul id="toc-Additional_images-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>See also</span> </div> </a> <ul id="toc-See_also-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>External links</span> </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" title="Table of Contents" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Urethra</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 86 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-86" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">86 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A5%D8%AD%D9%84%D9%8A%D9%84" title="إحليل – Arabic" lang="ar" hreflang="ar" data-title="إحليل" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Uretra" title="Uretra – Aragonese" lang="an" hreflang="an" data-title="Uretra" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Sidik_kanal%C4%B1" title="Sidik kanalı – Azerbaijani" lang="az" hreflang="az" data-title="Sidik kanalı" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AE%E0%A7%82%E0%A6%A4%E0%A7%8D%E0%A6%B0%E0%A6%A8%E0%A6%BE%E0%A6%B2%E0%A7%80" title="মূত্রনালী – Bangla" lang="bn" hreflang="bn" data-title="মূত্রনালী" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ji%C5%8D-t%C5%8D" title="Jiō-tō – Minnan" lang="nan" hreflang="nan" data-title="Jiō-tō" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%BE%D1%87%D0%B0%D1%81%D0%BF%D1%83%D1%81%D0%BA%D0%B0%D0%BB%D1%8C%D0%BD%D1%8B_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB" title="Мочаспускальны канал – Belarusian" lang="be" hreflang="be" data-title="Мочаспускальны канал" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D0%B0%D1%87%D0%B0%D1%81%D0%BF%D1%83%D1%81%D0%BA" title="Мачаспуск – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Мачаспуск" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AF%E0%A5%82%E0%A4%B0%E0%A5%87%E0%A4%A5%E0%A5%8D%E0%A4%B0%E0%A4%BE" title="यूरेथ्रा – Bhojpuri" lang="bh" hreflang="bh" data-title="यूरेथ्रा" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Uretra" title="Uretra – Central Bikol" lang="bcl" hreflang="bcl" data-title="Uretra" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%B8%D0%BA%D0%BE%D1%87%D0%B5%D0%BD_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB" title="Пикочен канал – Bulgarian" lang="bg" hreflang="bg" data-title="Пикочен канал" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Mokra%C4%87na_cijev" title="Mokraćna cijev – Bosnian" lang="bs" hreflang="bs" data-title="Mokraćna cijev" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Uretra" title="Uretra – Catalan" lang="ca" hreflang="ca" data-title="Uretra" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%A8%C4%83%D0%BA_%D0%BA%C4%83%D0%BB%D0%B0%D1%80%D1%83_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB%C4%95" title="Шăк кăлару каналĕ – Chuvash" lang="cv" hreflang="cv" data-title="Шăк кăлару каналĕ" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Mo%C4%8Dov%C3%A1_trubice" title="Močová trubice – Czech" lang="cs" hreflang="cs" data-title="Močová trubice" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Wrethra" title="Wrethra – Welsh" lang="cy" hreflang="cy" data-title="Wrethra" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Urinr%C3%B8r" title="Urinrør – Danish" lang="da" hreflang="da" data-title="Urinrør" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://de.wikipedia.org/wiki/Harnr%C3%B6hre" title="Harnröhre – German" lang="de" hreflang="de" data-title="Harnröhre" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%86%DE%AA%DE%91%DE%A6%DE%86%DE%A6%DE%89%DE%AA%DE%8B%DE%A7_%DE%80%DE%AE%DE%85%DE%A8" title="ކުޑަކަމުދާ ހޮޅި – Divehi" lang="dv" hreflang="dv" data-title="ކުޑަކަމުދާ ހޮޅި" data-language-autonym="ދިވެހިބަސް" data-language-local-name="Divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kusiti" title="Kusiti – Estonian" lang="et" hreflang="et" data-title="Kusiti" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9F%CF%85%CF%81%CE%AE%CE%B8%CF%81%CE%B1" title="Ουρήθρα – Greek" lang="el" hreflang="el" data-title="Ουρήθρα" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Uretra" title="Uretra – Spanish" lang="es" hreflang="es" data-title="Uretra" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Uretro" title="Uretro – Esperanto" lang="eo" hreflang="eo" data-title="Uretro" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Uretra" title="Uretra – Basque" lang="eu" hreflang="eu" data-title="Uretra" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%DB%8C%D8%B4%D8%A7%D8%A8%E2%80%8C%D8%B1%D8%A7%D9%87" title="پیشاب‌راه – Persian" lang="fa" hreflang="fa" data-title="پیشاب‌راه" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ur%C3%A8tre" title="Urètre – French" lang="fr" hreflang="fr" data-title="Urètre" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/%C3%9Air%C3%A9adra" title="Úiréadra – Irish" lang="ga" hreflang="ga" data-title="Úiréadra" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Uretra" title="Uretra – Galician" lang="gl" hreflang="gl" data-title="Uretra" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%9A%94%EB%8F%84" title="요도 – Korean" lang="ko" hreflang="ko" data-title="요도" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%AB%D5%A6%D5%B8%D6%82%D5%AF" title="Միզուկ – Armenian" lang="hy" hreflang="hy" data-title="Միզուկ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AE%E0%A5%82%E0%A4%A4%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%B0%E0%A5%8D%E0%A4%97" title="मूत्रमार्ग – Hindi" lang="hi" hreflang="hi" data-title="मूत्रमार्ग" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Mokra%C4%87na_cijev" title="Mokraćna cijev – Croatian" lang="hr" hreflang="hr" data-title="Mokraćna cijev" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Uretro" title="Uretro – Ido" lang="io" hreflang="io" data-title="Uretro" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Uretra" title="Uretra – Indonesian" lang="id" hreflang="id" data-title="Uretra" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ik mw-list-item"><a href="https://ik.wikipedia.org/wiki/Qu%C4%A1%C4%A1ivik" title="Quġġivik – Inupiaq" lang="ik" hreflang="ik" data-title="Quġġivik" data-language-autonym="Iñupiatun" data-language-local-name="Inupiaq" class="interlanguage-link-target"><span>Iñupiatun</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/%C3%9Evagr%C3%A1s" title="Þvagrás – Icelandic" lang="is" hreflang="is" data-title="Þvagrás" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Uretra" title="Uretra – Italian" lang="it" hreflang="it" data-title="Uretra" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A9%D7%95%D7%A4%D7%9B%D7%94" title="שופכה – Hebrew" lang="he" hreflang="he" data-title="שופכה" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Ur%C3%A9tra" title="Urétra – Javanese" lang="jv" hreflang="jv" data-title="Urétra" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A8%E1%83%90%E1%83%A0%E1%83%93%E1%83%A1%E1%83%90%E1%83%93%E1%83%94%E1%83%9C%E1%83%98" title="შარდსადენი – Georgian" lang="ka" hreflang="ka" data-title="შარდსადენი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%97%D3%99%D1%80_%D3%A9%D0%B7%D0%B5%D0%B3%D1%96" title="Зәр өзегі – Kazakh" lang="kk" hreflang="kk" data-title="Зәр өзегі" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Ir%C3%A8t" title="Irèt – Haitian Creole" lang="ht" hreflang="ht" data-title="Irèt" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/M%C3%AEzer%C3%AA" title="Mîzerê – Kurdish" lang="ku" hreflang="ku" data-title="Mîzerê" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Urethra" title="Urethra – Latin" lang="la" hreflang="la" data-title="Urethra" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Ur%C4%ABnizvadkan%C4%81ls" title="Urīnizvadkanāls – Latvian" lang="lv" hreflang="lv" data-title="Urīnizvadkanāls" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Harnr%C3%B6re" title="Harnröre – Luxembourgish" lang="lb" hreflang="lb" data-title="Harnröre" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/%C5%A0lapl%C4%97" title="Šlaplė – Lithuanian" lang="lt" hreflang="lt" data-title="Šlaplė" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Urienbuus" title="Urienbuus – Limburgish" lang="li" hreflang="li" data-title="Urienbuus" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Uretra" title="Uretra – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Uretra" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%BE%D1%87%D0%B5%D0%BD_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB" title="Мочен канал – Macedonian" lang="mk" hreflang="mk" data-title="Мочен канал" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Uretra" title="Uretra – Malay" lang="ms" hreflang="ms" data-title="Uretra" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Urinebuis" title="Urinebuis – Dutch" lang="nl" hreflang="nl" data-title="Urinebuis" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%AE%E0%A5%81%E0%A4%A4%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A4%BE%E0%A4%B0%E0%A5%8D%E0%A4%97" title="मुत्रमार्ग – Nepali" lang="ne" hreflang="ne" data-title="मुत्रमार्ग" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%AF%E0%A5%81%E0%A4%B0%E0%A5%87%E0%A4%A5%E0%A5%8D%E0%A4%B0%E0%A4%BE" title="युरेथ्रा – Newari" lang="new" hreflang="new" data-title="युरेथ्रा" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%B0%BF%E9%81%93" title="尿道 – Japanese" lang="ja" hreflang="ja" data-title="尿道" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Urinr%C3%B8r" title="Urinrør – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Urinrør" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Miegr%C3%B6hr" title="Miegröhr – Low German" lang="nds" hreflang="nds" data-title="Miegröhr" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Cewka_moczowa" title="Cewka moczowa – Polish" lang="pl" hreflang="pl" data-title="Cewka moczowa" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Uretra" title="Uretra – Portuguese" lang="pt" hreflang="pt" data-title="Uretra" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Uretr%C4%83" title="Uretră – Romanian" lang="ro" hreflang="ro" data-title="Uretră" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%BE%D1%87%D0%B5%D0%B8%D1%81%D0%BF%D1%83%D1%81%D0%BA%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB" title="Мочеиспускательный канал – Russian" lang="ru" hreflang="ru" data-title="Мочеиспускательный канал" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Uretra" title="Uretra – Albanian" lang="sq" hreflang="sq" data-title="Uretra" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Uretra" title="Uretra – Sicilian" lang="scn" hreflang="scn" data-title="Uretra" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%B8%E0%B7%94%E0%B6%AD%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B6%B8%E0%B7%8F%E0%B6%BB%E0%B7%8A%E0%B6%9C%E0%B6%BA" title="මුත්‍රමාර්ගය – Sinhala" lang="si" hreflang="si" data-title="මුත්‍රමාර්ගය" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Urethra" title="Urethra – Simple English" lang="en-simple" hreflang="en-simple" data-title="Urethra" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Mo%C4%8Dov%C3%A1_r%C3%BAra" title="Močová rúra – Slovak" lang="sk" hreflang="sk" data-title="Močová rúra" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Se%C4%8Dnica" title="Sečnica – Slovenian" lang="sl" hreflang="sl" data-title="Sečnica" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%85%DB%8C%D8%B2%DB%95%DA%95%DB%86" title="میزەڕۆ – Central Kurdish" lang="ckb" hreflang="ckb" data-title="میزەڕۆ" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BA%D1%80%D0%B0%D1%9B%D0%BD%D0%B0_%D1%86%D0%B8%D1%98%D0%B5%D0%B2" title="Мокраћна цијев – Serbian" lang="sr" hreflang="sr" data-title="Мокраћна цијев" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Mokra%C4%87na_cijev" title="Mokraćna cijev – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Mokraćna cijev" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Ur%C3%A9tra" title="Urétra – Sundanese" lang="su" hreflang="su" data-title="Urétra" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Virtsaputki" title="Virtsaputki – Finnish" lang="fi" hreflang="fi" data-title="Virtsaputki" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Urinr%C3%B6r" title="Urinrör – Swedish" lang="sv" hreflang="sv" data-title="Urinrör" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Uretra" title="Uretra – Tagalog" lang="tl" hreflang="tl" data-title="Uretra" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%BF%E0%AE%B1%E0%AF%81%E0%AE%A8%E0%AF%80%E0%AE%B0%E0%AF%8D%E0%AE%B5%E0%AE%B4%E0%AE%BF" title="சிறுநீர்வழி – Tamil" lang="ta" hreflang="ta" data-title="சிறுநீர்வழி" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%A1%D0%B8%D0%B4%D0%B5%D0%BA_%D1%87%D1%8B%D0%B3%D0%B0%D1%80%D1%83_%D1%8E%D0%BB%D1%8B" title="Сидек чыгару юлы – Tatar" lang="tt" hreflang="tt" data-title="Сидек чыгару юлы" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AA%E0%B1%8D%E0%B0%B0%E0%B0%B8%E0%B1%87%E0%B0%95%E0%B0%82" title="ప్రసేకం – Telugu" lang="te" hreflang="te" data-title="ప్రసేకం" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%97%E0%B9%88%E0%B8%AD%E0%B8%9B%E0%B8%B1%E0%B8%AA%E0%B8%AA%E0%B8%B2%E0%B8%A7%E0%B8%B0" title="ท่อปัสสาวะ – Thai" lang="th" hreflang="th" data-title="ท่อปัสสาวะ" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/%C3%9Cretra" title="Üretra – Turkish" lang="tr" hreflang="tr" data-title="Üretra" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D0%B5%D1%87%D0%BE%D0%B2%D0%B8%D0%BF%D1%83%D1%81%D0%BA%D0%BD%D0%B8%D0%B9_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB" title="Сечовипускний канал – Ukrainian" lang="uk" hreflang="uk" data-title="Сечовипускний канал" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%D8%AD%D9%84%DB%8C%D9%84" title="احلیل – Urdu" lang="ur" hreflang="ur" data-title="احلیل" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Sainyouh" title="Sainyouh – Zhuang" lang="za" hreflang="za" data-title="Sainyouh" data-language-autonym="Vahcuengh" data-language-local-name="Zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ni%E1%BB%87u_%C4%91%E1%BA%A1o" title="Niệu đạo – Vietnamese" lang="vi" hreflang="vi" data-title="Niệu đạo" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Uretra" title="Uretra – Waray" lang="war" hreflang="war" data-title="Uretra" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E5%B0%BF%E9%81%93" title="尿道 – Wu" lang="wuu" hreflang="wuu" data-title="尿道" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E5%B0%BF%E9%81%93" title="尿道 – Cantonese" lang="yue" hreflang="yue" data-title="尿道" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%B0%BF%E9%81%93" title="尿道 – Chinese" lang="zh" hreflang="zh" data-title="尿道" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q9386#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> 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.infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><table class="infobox"><tbody><tr><th colspan="2" class="infobox-above" style="background-color:dimgray; color: white">Urethra</th></tr><tr><td colspan="2" class="infobox-image"><span typeof="mw:File"><a href="/wiki/File:Female_and_Male_Urethra.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Female_and_Male_Urethra.jpg/220px-Female_and_Male_Urethra.jpg" decoding="async" width="220" height="291" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Female_and_Male_Urethra.jpg/330px-Female_and_Male_Urethra.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Female_and_Male_Urethra.jpg/440px-Female_and_Male_Urethra.jpg 2x" data-file-width="1013" data-file-height="1338" /></a></span><div class="infobox-caption">The urethra transports urine from the bladder to the outside of the body. This image shows (a) a human female urethra and (b) a human male urethra.</div></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Details</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Embryology" title="Embryology">Precursor</a></th><td class="infobox-data"><a href="/wiki/Urogenital_sinus" title="Urogenital sinus">Urogenital sinus</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Artery" title="Artery">Artery</a></th><td class="infobox-data"><a href="/wiki/Inferior_vesical_artery" title="Inferior vesical artery">Inferior vesical artery</a><br /><a href="/wiki/Middle_rectal_artery" title="Middle rectal artery">Middle rectal artery</a><br /><a href="/wiki/Internal_pudendal_artery" title="Internal pudendal artery">Internal pudendal artery</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Vein" title="Vein">Vein</a></th><td class="infobox-data"><a href="/wiki/Inferior_vesical_vein" class="mw-redirect" title="Inferior vesical vein">Inferior vesical vein</a><br /><a href="/wiki/Middle_rectal_vein" class="mw-redirect" title="Middle rectal vein">Middle rectal vein</a><br /><a href="/wiki/Internal_pudendal_vein" class="mw-redirect" title="Internal pudendal vein">Internal pudendal vein</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Nerve" title="Nerve">Nerve</a></th><td class="infobox-data"><a href="/wiki/Pudendal_nerve" title="Pudendal nerve">Pudendal nerve</a><br /><a href="/wiki/Pelvic_splanchnic_nerves" title="Pelvic splanchnic nerves">Pelvic splanchnic nerves</a><br /><a href="/wiki/Inferior_hypogastric_plexus" title="Inferior hypogastric plexus">Inferior hypogastric plexus</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Lymph" title="Lymph">Lymph</a></th><td class="infobox-data"><a href="/wiki/Internal_iliac_lymph_nodes" title="Internal iliac lymph nodes">Internal iliac lymph nodes</a><br /><a href="/wiki/Deep_inguinal_lymph_nodes" class="mw-redirect" title="Deep inguinal lymph nodes">Deep inguinal lymph nodes</a></td></tr><tr><th colspan="2" class="infobox-header" style="background-color: #efefef">Identifiers</th></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Latin" title="Latin">Latin</a></th><td class="infobox-data"><i>urethra feminina (female); urethra masculina (male)</i></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Ancient_Greek" title="Ancient Greek">Greek</a></th><td class="infobox-data"><i>οὐρήθρα</i></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Medical_Subject_Headings" title="Medical Subject Headings">MeSH</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://meshb.nlm.nih.gov/record/ui?ui=D014521">D014521</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Terminologia_Anatomica" title="Terminologia Anatomica">TA98</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/08.4.01.001F%20Entity%20TA98%20EN.htm">A08.4.01.001F</a><br /> <a rel="nofollow" class="external text" href="https://ifaa.unifr.ch/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/08.5.01.001M%20Entity%20TA98%20EN.htm">A08.5.01.001M</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Terminologia_Anatomica" title="Terminologia Anatomica">TA2</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://ta2viewer.openanatomy.org/?id=3426">3426</a>, <a rel="nofollow" class="external text" href="https://ta2viewer.openanatomy.org/?id=3442">3442</a></td></tr><tr><th scope="row" class="infobox-label" style="padding-right:0.25em"><a href="/wiki/Foundational_Model_of_Anatomy" title="Foundational Model of Anatomy">FMA</a></th><td class="infobox-data"><a rel="nofollow" class="external text" href="https://bioportal.bioontology.org/ontologies/FMA/?p=classes&conceptid=http%3A%2F%2Fpurl.org%2Fsig%2Font%2Ffma%2Ffma19667">19667</a></td></tr><tr><td colspan="2" class="infobox-below"><a href="/wiki/Anatomical_terminology" title="Anatomical terminology">Anatomical terminology</a><div style="text-align: right;"><small class="noprint">[<a href="https://www.wikidata.org/wiki/Q9386" class="extiw" title="d:Q9386">edit on Wikidata</a>]</small></div></td></tr></tbody></table> <p>The <b>urethra</b> (<abbr title="plural">pl.</abbr>: <b>urethras</b> or <b>urethrae</b>) is the tube that connects the <a href="/wiki/Urinary_bladder" class="mw-redirect" title="Urinary bladder">urinary bladder</a> to the <a href="/wiki/Urinary_meatus" title="Urinary meatus">urinary meatus</a>,<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> through which <a href="/wiki/Placentalia" title="Placentalia">placental mammals</a> <a href="/wiki/Urination" title="Urination">urinate</a> and <a href="/wiki/Ejaculation" title="Ejaculation">ejaculate</a>.<sup id="cite_ref-Wake1992_3-0" class="reference"><a href="#cite_note-Wake1992-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> In non-mammalian <a href="/wiki/Vertebrate" title="Vertebrate">vertebrates</a>, the urethra also transports semen but is separate from the urinary tract.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>The external <a href="/wiki/Urethral_sphincter" class="mw-redirect" title="Urethral sphincter">urethral sphincter</a> is a <a href="/wiki/Striated_muscle" class="mw-redirect" title="Striated muscle">striated muscle</a> that allows voluntary control over urination.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> The <a href="/wiki/Internal_urethral_sphincter" title="Internal urethral sphincter">internal sphincter</a>, formed by the involuntary <a href="/wiki/Smooth_muscles" class="mw-redirect" title="Smooth muscles">smooth muscles</a> lining the bladder neck and urethra, receives its nerve supply by the <a href="/wiki/Sympathetic_nervous_system" title="Sympathetic nervous system">sympathetic</a> division of the <a href="/wiki/Autonomic_nervous_system" title="Autonomic nervous system">autonomic nervous system</a>.<sup id="cite_ref-Chancellor2004_6-0" class="reference"><a href="#cite_note-Chancellor2004-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The internal sphincter is present both in males and females.<sup id="cite_ref-Jung2012_7-0" class="reference"><a href="#cite_note-Jung2012-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Karam2005_8-0" class="reference"><a href="#cite_note-Karam2005-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-AshtonMiller2007_9-0" class="reference"><a href="#cite_note-AshtonMiller2007-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Structure">Structure</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=1" title="Edit section: Structure"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The urethra is a fibrous and muscular tube which connects the <a href="/wiki/Urinary_bladder" class="mw-redirect" title="Urinary bladder">urinary bladder</a> to the <a href="/wiki/External_urethral_meatus" class="mw-redirect" title="External urethral meatus">external urethral meatus</a>. Its length differs between the sexes, because it passes through the <a href="/wiki/Penis" title="Penis">penis</a> in males. </p> <div class="mw-heading mw-heading3"><h3 id="Male">Male</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=2" title="Edit section: Male"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Gray1142.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Gray1142.png/220px-Gray1142.png" decoding="async" width="220" height="384" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d7/Gray1142.png/330px-Gray1142.png 1.5x, //upload.wikimedia.org/wikipedia/commons/d/d7/Gray1142.png 2x" data-file-width="430" data-file-height="750" /></a><figcaption>The human male urethra laid open on its anterior (upper) surface</figcaption></figure> <p>In the human male, the urethra is on average 18 to 20 centimeters (7 to 8 inches) long and opens at the end of the external urethral meatus.<sup id="cite_ref-Grays2016_10-0" class="reference"><a href="#cite_note-Grays2016-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p><p>The urethra is divided into four parts in men, named after the location:<sup id="cite_ref-Grays2016_10-1" class="reference"><a href="#cite_note-Grays2016-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup> </p> <table class="wikitable"> <tbody><tr> <th width="120">Region</th> <th>Description</th> <th><a href="/wiki/Epithelium" title="Epithelium">Epithelium</a> </th></tr> <tr> <td><a href="/wiki/Pre-prostatic_urethra" title="Pre-prostatic urethra">Pre-prostatic urethra</a></td> <td>This is the intramural part of the urethra surrounded by the internal urethral sphincter and varies between 0.5 and 1.5 cm in length depending on the fullness of the bladder.</td> <td><a href="/wiki/Transitional_epithelium" title="Transitional epithelium">Transitional</a> </td></tr> <tr> <td><a href="/wiki/Prostatic_urethra" title="Prostatic urethra">Prostatic urethra</a></td> <td>Crosses through the <a href="/wiki/Prostate_gland" class="mw-redirect" title="Prostate gland">prostate gland</a>. There are several openings at the posterior wall: <ol><li>the <a href="/wiki/Ejaculatory_duct" title="Ejaculatory duct">ejaculatory duct</a> (2 lateral) receives <a href="/wiki/Spermatozoon" title="Spermatozoon">sperm</a> from the <a href="/wiki/Vas_deferens" title="Vas deferens">vas deferens</a> and ejaculate fluid from the <a href="/wiki/Seminal_vesicle" class="mw-redirect" title="Seminal vesicle">seminal vesicle</a></li> <li>the prostatic sinus which has openings for several prostatic ducts where fluid from the <a href="/wiki/Prostate" title="Prostate">prostate</a> enters and contributes to the ejaculate</li> <li>the <a href="/wiki/Prostatic_utricle" title="Prostatic utricle">prostatic utricle</a>, which is merely an indentation.</li></ol> <p>These openings are collectively called the verumontanum (colliculus seminalis). The prostatic urethra is a common site of obstruction to outflow of urine in BPH patients </p> </td> <td><a href="/wiki/Transitional_epithelium" title="Transitional epithelium">Transitional</a> </td></tr> <tr> <td><a href="/wiki/Membranous_urethra" title="Membranous urethra">Membranous urethra</a></td> <td>A short (1 or 2 cm) portion passing through the <a href="/wiki/External_sphincter_muscle_of_male_urethra" title="External sphincter muscle of male urethra">external urethral sphincter</a>. This is the narrowest part of the urethra. It is located in the <a href="/wiki/Deep_perineal_pouch" title="Deep perineal pouch">deep perineal pouch</a>. The <a href="/wiki/Bulbourethral_glands" class="mw-redirect" title="Bulbourethral glands">bulbourethral glands</a> (Cowper's gland) are found posterior to this region but open in the <a href="/wiki/Spongy_urethra" title="Spongy urethra">spongy urethra</a>.</td> <td><a href="/wiki/Pseudostratified_columnar" class="mw-redirect" title="Pseudostratified columnar">Pseudostratified columnar</a> </td></tr> <tr> <td><a href="/wiki/Spongy_urethra" title="Spongy urethra">Spongy urethra</a> (or <i>penile urethra</i>)</td> <td>Runs along the length of the penis on its ventral (underneath) surface. It is about 15 to 25 cm in length,<sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> with steady diameter of 6 mm,<sup id="cite_ref-lumen-urethra_12-0" class="reference"><a href="#cite_note-lumen-urethra-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> and travels through the <a href="/wiki/Corpus_spongiosum" class="mw-redirect" title="Corpus spongiosum">corpus spongiosum</a>. The ducts from the <a href="/wiki/Urethral_gland" title="Urethral gland">urethral gland</a> (gland of Littré) enter here. The openings of the <a href="/wiki/Bulbourethral_glands" class="mw-redirect" title="Bulbourethral glands">bulbourethral glands</a> are also found here.<sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> Some textbooks will subdivide the spongy urethra into two parts, the bulbous and pendulous urethra. The urethral lumen runs effectively parallel to the penis, except at the narrowest point, the external urethral meatus, where it is vertical. This produces a spiral stream of urine and has the effect of cleaning the external urethral meatus. The lack of an equivalent mechanism in the female urethra partly explains why urinary tract infections occur so much more frequently in females.</td> <td><a href="/wiki/Pseudostratified_columnar" class="mw-redirect" title="Pseudostratified columnar">Pseudostratified columnar</a> – proximally<p><a href="/wiki/Stratified_squamous" class="mw-redirect" title="Stratified squamous">Stratified squamous</a> – distally</p> </td></tr></tbody></table> <p>There is inadequate data for the typical length of the male urethra; however, a study of 109 men showed an average length of 22.3 cm (SD = 2.4 cm), ranging from 15 cm to 29 cm.<sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p><p>The urethra in male placental mammals is typically longer than in females.<sup id="cite_ref-Hamilton_15-0" class="reference"><a href="#cite_note-Hamilton-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Female">Female</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=3" title="Edit section: Female"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In the human female, the urethra is about 4 cm long,<sup id="cite_ref-Grays2016_10-2" class="reference"><a href="#cite_note-Grays2016-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-lumen-urethra_12-1" class="reference"><a href="#cite_note-lumen-urethra-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> having 6 mm diameter,<sup id="cite_ref-lumen-urethra_12-2" class="reference"><a href="#cite_note-lumen-urethra-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> and exits the body between the <a href="/wiki/Clitoris" title="Clitoris">clitoris</a> and the <a href="/wiki/Vaginal_opening" class="mw-redirect" title="Vaginal opening">vaginal opening</a>, extending from the <a href="/wiki/Internal_urethral_orifice" title="Internal urethral orifice">internal</a> to the <a href="/wiki/External_urethral_orifice" class="mw-redirect" title="External urethral orifice">external urethral orifice</a>. The meatus is located below the clitoris. It is placed behind the <a href="/wiki/Symphysis_pubis" class="mw-redirect" title="Symphysis pubis">symphysis pubis</a>, embedded in the anterior wall of the vagina, and its direction is obliquely downward and forward; it is slightly curved with the concavity directed forward. The proximal two-thirds of the urethra is lined by <a href="/wiki/Epithelium#Stratified_epithelium" title="Epithelium">transitional epithelial cells</a>, while the distal third is lined by <a href="/wiki/Epithelium#Cell_types" title="Epithelium">stratified squamous epithelial cells</a>.<sup id="cite_ref-16" class="reference"><a href="#cite_note-16"><span class="cite-bracket">[</span>16<span class="cite-bracket">]</span></a></sup> </p><p>Between the <a href="/wiki/Superior_fascia_of_the_urogenital_diaphragm" title="Superior fascia of the urogenital diaphragm">superior</a> and <a href="/wiki/Perineal_membrane" title="Perineal membrane">inferior fascia</a> of the <a href="/wiki/Urogenital_diaphragm" title="Urogenital diaphragm">urogenital diaphragm</a>, the female urethra is surrounded by the <a href="/wiki/Urethral_sphincter" class="mw-redirect" title="Urethral sphincter">urethral sphincter</a>. </p><p>The urethra in female placental mammals is typically shorter than in the male.<sup id="cite_ref-Hamilton_15-1" class="reference"><a href="#cite_note-Hamilton-15"><span class="cite-bracket">[</span>15<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Microanatomy">Microanatomy</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=4" title="Edit section: Microanatomy"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The cells lining the urethra (the <a href="/wiki/Epithelium" title="Epithelium">epithelium</a>) start off as <a href="/wiki/Transitional_epithelium" title="Transitional epithelium">transitional cells</a> as it exits the bladder, which are variable layers of flat to cuboidal cells that change shape depending on whether they are compressed by the contents of the urethra.<sup id="cite_ref-Wheaters2013_17-0" class="reference"><a href="#cite_note-Wheaters2013-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> Further along the urethra there are <a href="/wiki/Pseudostratified_columnar_epithelium" title="Pseudostratified columnar epithelium">pseudostratified columnar</a> and <a href="/wiki/Stratified_columnar_epithelium" title="Stratified columnar epithelium">stratified columnar</a> epithelia.<sup id="cite_ref-Wheaters2013_17-1" class="reference"><a href="#cite_note-Wheaters2013-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> The lining becomes <a href="/wiki/Stratified_squamous_epithelium" title="Stratified squamous epithelium">multiple layers of flat cells</a> near the end of the urethra, which is the same as the external skin around it.<sup id="cite_ref-Wheaters2013_17-2" class="reference"><a href="#cite_note-Wheaters2013-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>There are small <a href="/wiki/Mucus" title="Mucus">mucus</a>-secreting urethral glands, as well as bulbo-urethral glands of Cowper, that secrete mucous acting to lubricate the urethra.<sup id="cite_ref-Wheaters2013_17-3" class="reference"><a href="#cite_note-Wheaters2013-17"><span class="cite-bracket">[</span>17<span class="cite-bracket">]</span></a></sup> </p><p>The urethra consists of three coats: muscular, erectile, and mucous, the muscular layer being a continuation of that of the bladder. </p> <div class="mw-heading mw-heading3"><h3 id="Blood_and_nerve_supply_and_lymphatics">Blood and nerve supply and lymphatics</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=5" title="Edit section: Blood and nerve supply and lymphatics"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Somatic_nervous_system" title="Somatic nervous system">Somatic</a> (conscious) innervation of the <a href="/wiki/External_sphincter_muscle_of_female_urethra" title="External sphincter muscle of female urethra">external urethral sphincter</a> is supplied by the <a href="/wiki/Pudendal_nerve" title="Pudendal nerve">pudendal nerve</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Development">Development</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=6" title="Edit section: Development"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Further information: <a href="/wiki/Development_of_the_urinary_system" title="Development of the urinary system">Development of the urinary system</a></div> <p>In the developing <a href="/wiki/Embryo" title="Embryo">embryo</a>, at the hind end lies a <a href="/wiki/Cloaca_(embryology)" title="Cloaca (embryology)">cloaca</a>. This, over the fourth to the seventh week, divides into a <a href="/wiki/Urogenital_sinus" title="Urogenital sinus">urogenital sinus</a> and the beginnings of the <a href="/wiki/Anal_canal" title="Anal canal">anal canal</a>, with a wall forming between these two inpouchings called the <a href="/wiki/Urorectal_septum" title="Urorectal septum">urorectal septum</a>.<sup id="cite_ref-Langman2019_18-0" class="reference"><a href="#cite_note-Langman2019-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The urogenital sinus divides into three parts, with the middle part forming the urethra; the upper part is largest and becomes the <a href="/wiki/Urinary_bladder" class="mw-redirect" title="Urinary bladder">urinary bladder</a>, and the lower part then changes depending on the biological sex of the embryo.<sup id="cite_ref-Langman2019_18-1" class="reference"><a href="#cite_note-Langman2019-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> The cells lining the urethra (the epithelium) come from <a href="/wiki/Endoderm" title="Endoderm">endoderm</a>, whereas the connective tissue and smooth <a href="/wiki/Muscle" title="Muscle">muscle</a> parts are derived from <a href="/wiki/Mesoderm" title="Mesoderm">mesoderm</a>.<sup id="cite_ref-Langman2019_18-2" class="reference"><a href="#cite_note-Langman2019-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p><p>After the third month, urethra also contributes to the development of associated structures depending on the biological sex of the embryo. In the male, the epithelium multiples to form the <a href="/wiki/Prostate" title="Prostate">prostate</a>. In the female, the upper part of the urethra forms the urethra and <a href="/wiki/Paraurethral_gland" class="mw-redirect" title="Paraurethral gland">paraurethral glands</a>.<sup id="cite_ref-Langman2019_18-3" class="reference"><a href="#cite_note-Langman2019-18"><span class="cite-bracket">[</span>18<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Function">Function</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=7" title="Edit section: Function"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Urination">Urination</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=8" title="Edit section: Urination"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">See also: <a href="/wiki/Urination" title="Urination">Urination</a></div> <p>The urethra is the vessel through which urine passes after leaving the bladder. During urination, the smooth muscle lining the urethra relaxes in concert with bladder contraction(s) to forcefully expel the urine in a pressurized stream. Following this, the urethra re-establishes muscle tone by contracting the smooth muscle layer, and the bladder returns to a relaxed, quiescent state. Urethral smooth muscle cells are mechanically coupled to each other to coordinate mechanical force and electrical signaling in an organized, unitary fashion.<sup id="cite_ref-19" class="reference"><a href="#cite_note-19"><span class="cite-bracket">[</span>19<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Ejaculation">Ejaculation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=9" title="Edit section: Ejaculation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The male urethra is the conduit for <a href="/wiki/Semen" title="Semen">semen</a> during <a href="/wiki/Orgasm" title="Orgasm">orgasm</a>.<sup id="cite_ref-Wake1992_3-1" class="reference"><a href="#cite_note-Wake1992-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Urine is removed before ejaculation by <a href="/wiki/Pre-ejaculate" title="Pre-ejaculate">pre-ejaculate</a> fluid – called Cowper's fluid – from the bulbourethral gland.<sup id="cite_ref-20" class="reference"><a href="#cite_note-20"><span class="cite-bracket">[</span>20<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-chughtai_21-0" class="reference"><a href="#cite_note-chughtai-21"><span class="cite-bracket">[</span>21<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Clinical_significance">Clinical significance</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=10" title="Edit section: Clinical significance"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Urethral_urothelial_cell_carcinoma.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Urethral_urothelial_cell_carcinoma.jpg/220px-Urethral_urothelial_cell_carcinoma.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Urethral_urothelial_cell_carcinoma.jpg/330px-Urethral_urothelial_cell_carcinoma.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Urethral_urothelial_cell_carcinoma.jpg/440px-Urethral_urothelial_cell_carcinoma.jpg 2x" data-file-width="4272" data-file-height="2848" /></a><figcaption><a href="/wiki/Micrograph" title="Micrograph">Micrograph</a> of <a href="/wiki/Urethral_cancer" title="Urethral cancer">urethral cancer</a> (<a href="/wiki/Urothelial_cell_carcinoma" class="mw-redirect" title="Urothelial cell carcinoma">urothelial cell carcinoma</a>), a rare problem of the urethra.</figcaption></figure> <p>Infection of the urethra is <a href="/wiki/Urethritis" title="Urethritis">urethritis</a>, which often causes purulent urethral discharge.<sup id="cite_ref-Davidsons2018urethritis_22-0" class="reference"><a href="#cite_note-Davidsons2018urethritis-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> It is most often due to a <a href="/wiki/Sexually_transmitted_infection" title="Sexually transmitted infection">sexually transmitted infection</a> such as <a href="/wiki/Gonorrhoea" class="mw-redirect" title="Gonorrhoea">gonorrhoea</a> or <a href="/wiki/Chlamydia" title="Chlamydia">chlamydia</a>, and less commonly due to other bacteria such as <a href="/wiki/Ureaplasma" title="Ureaplasma">ureaplasma</a> or <a href="/wiki/Mycoplasma" title="Mycoplasma">mycoplasma</a>; <a href="/wiki/Trichomonas_vaginalis" title="Trichomonas vaginalis">trichomonas vaginalis</a>; or the viruses <a href="/wiki/Herpes_simplex_virus" title="Herpes simplex virus">herpes simplex virus</a> and <a href="/wiki/Adenovirus" class="mw-redirect" title="Adenovirus">adenovirus</a>.<sup id="cite_ref-Davidsons2018urethritis_22-1" class="reference"><a href="#cite_note-Davidsons2018urethritis-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Investigations such as a <a href="/wiki/Gram_stain" title="Gram stain">gram stain</a> of the discharge might reveal the cause; <a href="/wiki/Nucleic_acid_testing" class="mw-redirect" title="Nucleic acid testing">nucleic acid testing</a> based on the <a href="/w/index.php?title=First_void_urine&action=edit&redlink=1" class="new" title="First void urine (page does not exist)">first urine sample passed in a day</a>, or a swab of the urethra sent for <a href="/w/index.php?title=Bacterial_culture_and_sensitivity&action=edit&redlink=1" class="new" title="Bacterial culture and sensitivity (page does not exist)">bacterial culture and sensitivity</a> may also be used.<sup id="cite_ref-Davidsons2018urethritis_22-2" class="reference"><a href="#cite_note-Davidsons2018urethritis-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Treatment usually involves <a href="/wiki/Antibiotic" title="Antibiotic">antibiotics</a> that treat both gonorrhoea and chlamydia, as these often occur together.<sup id="cite_ref-Davidsons2018urethritis_22-3" class="reference"><a href="#cite_note-Davidsons2018urethritis-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> A person being treated for urethritis should not have sex until the infection is treated, so that they do not spread the infection to others.<sup id="cite_ref-Davidsons2018urethritis_22-4" class="reference"><a href="#cite_note-Davidsons2018urethritis-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> Because of this spread, which may occur during an <a href="/wiki/Incubation_period" title="Incubation period">incubation period</a> before a person gets symptoms, there is often <a href="/wiki/Contact_tracing" title="Contact tracing">contact tracing</a> so that sexual partners of an affected person can be found and treatment offered.<sup id="cite_ref-Davidsons2018urethritis_22-5" class="reference"><a href="#cite_note-Davidsons2018urethritis-22"><span class="cite-bracket">[</span>22<span class="cite-bracket">]</span></a></sup> </p><p>Cancer can also develop in the lining of the urethra.<sup id="cite_ref-Davidsons2018cancer_23-0" class="reference"><a href="#cite_note-Davidsons2018cancer-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> When cancer is present, the most common symptom in an affected person is <a href="/wiki/Haematuria" class="mw-redirect" title="Haematuria">blood in the urine</a>; a physical <a href="/wiki/Medical_examination" class="mw-redirect" title="Medical examination">medical examination</a> may be otherwise normal, except in late disease.<sup id="cite_ref-Davidsons2018cancer_23-1" class="reference"><a href="#cite_note-Davidsons2018cancer-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> <a href="/wiki/Urethral_cancer" title="Urethral cancer">Cancer of the urethra</a> is most often due to cancer of the cells lining the urethra, called <a href="/wiki/Transitional_cell_carcinoma" title="Transitional cell carcinoma">transitional cell carcinoma</a>, although it can more rarely occur as a <a href="/wiki/Squamous_cell_carcinoma" class="mw-redirect" title="Squamous cell carcinoma">squamous cell carcinoma</a> if the type of cells lining the urethra have changed, such as due to a chronic <a href="/wiki/Schistosomiasis" title="Schistosomiasis">schistosomiasis</a> infection.<sup id="cite_ref-Davidsons2018cancer_23-2" class="reference"><a href="#cite_note-Davidsons2018cancer-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> Investigations performed usually include collecting a sample of urine for an inspection for malignant cells under a microscope, called <a href="/wiki/Cytology" class="mw-redirect" title="Cytology">cytology</a>, as well as examination with a flexible camera through the urethra, called <a href="/wiki/Urethroscopy" title="Urethroscopy">urethroscopy</a>. If a malignancy is found, a <a href="/wiki/Biopsy" title="Biopsy">biopsy</a> will be taken, and a <a href="/wiki/CT_scan" title="CT scan">CT scan</a> will be performed of other body parts (a <a href="/wiki/Full-body_CT_scan" title="Full-body CT scan">CT scan of the chest, abdomen and pelvis</a>) to look for additional <i lang="en"><a href="https://en.wiktionary.org/wiki/metastatic#English" class="extiw" title="wikt:metastatic">metastatic</a></i> lesions.<sup id="cite_ref-Davidsons2018cancer_23-3" class="reference"><a href="#cite_note-Davidsons2018cancer-23"><span class="cite-bracket">[</span>23<span class="cite-bracket">]</span></a></sup> After the cancer is <a href="/wiki/Tumour_staging" class="mw-redirect" title="Tumour staging">staged</a>, treatment may involve <a href="/wiki/Chemotherapy" title="Chemotherapy">chemotherapy</a>.<sup class="noprint Inline-Template Template-Fact" style="white-space:nowrap;">[<i><a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed"><span title="This claim needs references to reliable sources. (July 2020)">citation needed</span></a></i>]</sup> </p> <div class="mw-heading mw-heading3"><h3 id="Injury">Injury</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=11" title="Edit section: Injury"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Passage of <a href="/wiki/Kidney_stone" class="mw-redirect" title="Kidney stone">kidney stones</a> through the urethra can be painful. Damage to the urethra, such as by kidney stones, chronic infection, cancer, or from catheterisation, can lead to narrowing, called a <a href="/wiki/Urethral_stricture" title="Urethral stricture">urethral stricture</a>.<sup id="cite_ref-24" class="reference"><a href="#cite_note-24"><span class="cite-bracket">[</span>24<span class="cite-bracket">]</span></a></sup> The location and structure of the narrowing can be investigated with a <a href="/wiki/Medical_imaging" title="Medical imaging">medical imaging</a> scan in which dye is injected through the urinary meatus into the urethra, called a <a href="/wiki/Retrograde_urethrogram" title="Retrograde urethrogram">retrograde urethrogram</a>.<sup id="cite_ref-Maciejewski2015_25-0" class="reference"><a href="#cite_note-Maciejewski2015-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> Additional forms of imaging, such as <a href="/wiki/Ultrasound" title="Ultrasound">ultrasound</a>, <a href="/wiki/Computed_tomography" class="mw-redirect" title="Computed tomography">computed tomography</a> and <a href="/wiki/Magnetic_resonance_imaging" title="Magnetic resonance imaging">magnetic resonance imaging</a> may also be used to provide further details.<sup id="cite_ref-Maciejewski2015_25-1" class="reference"><a href="#cite_note-Maciejewski2015-25"><span class="cite-bracket">[</span>25<span class="cite-bracket">]</span></a></sup> </p><p>Injuries to the urethra (e.g., from a <a href="/wiki/Pelvic_fracture" title="Pelvic fracture">pelvic fracture</a><sup id="cite_ref-Stein2015_26-0" class="reference"><a href="#cite_note-Stein2015-26"><span class="cite-bracket">[</span>26<span class="cite-bracket">]</span></a></sup>) </p><p><a href="/wiki/Urethral_foreign_body" title="Urethral foreign body">Foreign bodies in the urethra</a> are uncommon, but there have been medical case reports of self-inflicted injuries, a result of insertion of foreign bodies into the urethra such as an electrical wire.<sup id="cite_ref-27" class="reference"><a href="#cite_note-27"><span class="cite-bracket">[</span>27<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Other">Other</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=12" title="Edit section: Other"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/Hypospadias" title="Hypospadias">Hypospadias</a> and <a href="/wiki/Epispadias" title="Epispadias">epispadias</a> are forms of abnormal development of the urethra in the male, where the <a href="/wiki/Urinary_meatus" title="Urinary meatus">meatus</a> is not located at the <a href="/wiki/Anatomical_terms_of_location#Proximal_and_distal" title="Anatomical terms of location">distal</a> end of the penis (it occurs lower than normal with hypospadias, and higher with epispadias). In a severe <a href="/wiki/Chordee" title="Chordee">chordee</a>, the urethra can develop between the penis and the scrotum. </p> <div class="mw-heading mw-heading3"><h3 id="Catheterisation">Catheterisation</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=13" title="Edit section: Catheterisation"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>A tube called a <a href="/wiki/Catheter" title="Catheter">catheter</a> can be inserted through the urethra to drain urine from the bladder, called an <a href="/wiki/Indwelling_urinary_catheter" class="mw-redirect" title="Indwelling urinary catheter">indwelling urinary catheter</a>; or, to bypass the urethra, a catheter may be directly inserted through the abdominal wall into the bladder, called a <a href="/wiki/Suprapubic_catheter" class="mw-redirect" title="Suprapubic catheter">suprapubic catheter</a>.<sup id="cite_ref-NHS2020_28-0" class="reference"><a href="#cite_note-NHS2020-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> This may be to relieve or bypass an obstruction, to monitor <a href="/wiki/Urine_output" class="mw-redirect" title="Urine output">how much urine someone produces</a>, or because a person has difficulty urinating, for example due to a <a href="/wiki/Neurological" class="mw-redirect" title="Neurological">neurological</a> cause such as <a href="/wiki/Multiple_sclerosis" title="Multiple sclerosis">multiple sclerosis</a>.<sup id="cite_ref-NHS2020_28-1" class="reference"><a href="#cite_note-NHS2020-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> Complications that are associated with catheter insertion can include <a href="/w/index.php?title=Catheter-associated_infection&action=edit&redlink=1" class="new" title="Catheter-associated infection (page does not exist)">catheter-associated infections</a>, injury to the urethra or nearby structures, or pain.<sup id="cite_ref-NHS2020_28-2" class="reference"><a href="#cite_note-NHS2020-28"><span class="cite-bracket">[</span>28<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Other_animals">Other animals</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=14" title="Edit section: Other animals"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>In all <a href="/wiki/Mammal" title="Mammal">mammals</a>, with the exception of <a href="/wiki/Monotreme" title="Monotreme">monotremes</a>, and in both sexes, the urethra serves primarily to drain and excrete urine, which in mammals, collects in the urinary bladder and is released from there into the urethra. In addition, the closing mechanisms of the urethra, together with <a href="/wiki/Antibody" title="Antibody">immunoglobulins</a>, largely prevent germs from penetrating the inside of the body.<sup id="cite_ref-29" class="reference"><a href="#cite_note-29"><span class="cite-bracket">[</span>29<span class="cite-bracket">]</span></a></sup> In <a href="/wiki/Marsupial" title="Marsupial">marsupials</a>, the female's urethra empties into the <a href="/wiki/Urogenital_sinus#Other_animals" title="Urogenital sinus">urogenital sinus</a>.<sup id="cite_ref-Tyndale-BiscoeRenfree1987_30-0" class="reference"><a href="#cite_note-Tyndale-BiscoeRenfree1987-30"><span class="cite-bracket">[</span>30<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=15" title="Edit section: History"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The word "urethra" comes from the <a href="/wiki/Ancient_Greek" title="Ancient Greek">Ancient Greek</a> οὐρήθρα – <i>ourḗthrā</i>. The stem "uro" relating to urination, with the structure described as early as the time of <a href="/wiki/Hippocrates" title="Hippocrates">Hippocrates</a>.<sup id="cite_ref-Marx2010_31-0" class="reference"><a href="#cite_note-Marx2010-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Confusingly however, at the time it was called "ureter". Thereafter, terms "ureter" and "urethra" were variably used to refer to each other thereafter for more than a millennia.<sup id="cite_ref-Marx2010_31-1" class="reference"><a href="#cite_note-Marx2010-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> It was only in the 1550s that anatomists such as <a href="/w/index.php?title=Bartolomeo_Eustacchio&action=edit&redlink=1" class="new" title="Bartolomeo Eustacchio (page does not exist)">Bartolomeo Eustacchio</a> and <a href="/wiki/Jacques_Dubois" title="Jacques Dubois">Jacques Dubois</a> began to use the terms to specifically and consistently refer to what is in modern English called the ureter and the urethra.<sup id="cite_ref-Marx2010_31-2" class="reference"><a href="#cite_note-Marx2010-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> Following this, in the 19th and 20th centuries, multiple terms relating to the structures such as <a href="/wiki/Urethritis" title="Urethritis">urethritis</a> and <a href="/wiki/Urethrography" class="mw-redirect" title="Urethrography">urethrography</a>, were coined.<sup id="cite_ref-Marx2010_31-3" class="reference"><a href="#cite_note-Marx2010-31"><span class="cite-bracket">[</span>31<span class="cite-bracket">]</span></a></sup> </p><p>Kidney stones have been identified and recorded about as long as written historical records exist.<sup id="cite_ref-Tefekli2013_32-0" class="reference"><a href="#cite_note-Tefekli2013-32"><span class="cite-bracket">[</span>32<span class="cite-bracket">]</span></a></sup> The urinary tract as well as its function to drain urine from the kidneys, has been described by <a href="/wiki/Galen" title="Galen">Galen</a> in the second century AD.<sup id="cite_ref-Nahon2011_33-0" class="reference"><a href="#cite_note-Nahon2011-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> Surgery to the urethra to remove kidney stones has been described since at least the first century AD by <a href="/wiki/Aulus_Cornelius_Celsus" title="Aulus Cornelius Celsus">Aulus Cornelius Celsus</a>.<sup id="cite_ref-Nahon2011_33-1" class="reference"><a href="#cite_note-Nahon2011-33"><span class="cite-bracket">[</span>33<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Additional_images">Additional images</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=16" title="Edit section: Additional images"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Prostatelead.jpg" class="mw-file-description" title="Position of the urethra in males"><img alt="Position of the urethra in males" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Prostatelead.jpg/63px-Prostatelead.jpg" decoding="async" width="63" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Prostatelead.jpg/94px-Prostatelead.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a1/Prostatelead.jpg/125px-Prostatelead.jpg 2x" data-file-width="289" data-file-height="552" /></a></span></div> <div class="gallerytext">Position of the urethra in males</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Gray1155_a.png" class="mw-file-description" title="Transverse section of the penis"><img alt="Transverse section of the penis" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Gray1155_a.png/120px-Gray1155_a.png" decoding="async" width="120" height="85" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/db/Gray1155_a.png/180px-Gray1155_a.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/db/Gray1155_a.png/240px-Gray1155_a.png 2x" data-file-width="438" data-file-height="311" /></a></span></div> <div class="gallerytext">Transverse section of the penis</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Male_urinary_meatus.jpg" class="mw-file-description" title="Male urethral opening on glans penis"><img alt="Male urethral opening on glans penis" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Male_urinary_meatus.jpg/120px-Male_urinary_meatus.jpg" decoding="async" width="120" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Male_urinary_meatus.jpg/180px-Male_urinary_meatus.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4b/Male_urinary_meatus.jpg/240px-Male_urinary_meatus.jpg 2x" data-file-width="3000" data-file-height="2000" /></a></span></div> <div class="gallerytext">Male urethral opening on <a href="/wiki/Glans_penis" title="Glans penis">glans penis</a></div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Skenes_gland.jpg" class="mw-file-description" title="Female urethral opening within vulval vestibule"><img alt="Female urethral opening within vulval vestibule" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Skenes_gland.jpg/120px-Skenes_gland.jpg" decoding="async" width="120" height="104" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Skenes_gland.jpg/180px-Skenes_gland.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Skenes_gland.jpg/240px-Skenes_gland.jpg 2x" data-file-width="787" data-file-height="682" /></a></span></div> <div class="gallerytext">Female urethral opening within <a href="/wiki/Vulval_vestibule" title="Vulval vestibule">vulval vestibule</a></div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:1116_Muscle_of_the_Female_Perineum.png" class="mw-file-description" title="Muscles of the female perineum"><img alt="Muscles of the female perineum" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/1116_Muscle_of_the_Female_Perineum.png/120px-1116_Muscle_of_the_Female_Perineum.png" decoding="async" width="120" height="99" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/1116_Muscle_of_the_Female_Perineum.png/180px-1116_Muscle_of_the_Female_Perineum.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/1116_Muscle_of_the_Female_Perineum.png/240px-1116_Muscle_of_the_Female_Perineum.png 2x" data-file-width="1340" data-file-height="1102" /></a></span></div> <div class="gallerytext">Muscles of the female perineum</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Slide12BLA.JPG" class="mw-file-description" title="Urethra. Deep dissection. Serial cross section."><img alt="Urethra. Deep dissection. Serial cross section." src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Slide12BLA.JPG/120px-Slide12BLA.JPG" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Slide12BLA.JPG/180px-Slide12BLA.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Slide12BLA.JPG/240px-Slide12BLA.JPG 2x" data-file-width="960" data-file-height="720" /></a></span></div> <div class="gallerytext">Urethra. Deep dissection. Serial cross section.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Penis_lateral_cross_section.jpg" class="mw-file-description" title="Diagram which depicts the membranous urethra and the spongy urethra of a male"><img alt="Diagram which depicts the membranous urethra and the spongy urethra of a male" src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Penis_lateral_cross_section.jpg/120px-Penis_lateral_cross_section.jpg" decoding="async" width="120" height="68" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Penis_lateral_cross_section.jpg/180px-Penis_lateral_cross_section.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e3/Penis_lateral_cross_section.jpg/240px-Penis_lateral_cross_section.jpg 2x" data-file-width="805" data-file-height="458" /></a></span></div> <div class="gallerytext">Diagram which depicts the <a href="/wiki/Membranous_urethra" title="Membranous urethra">membranous urethra</a> and the <a href="/wiki/Spongy_urethra" title="Spongy urethra">spongy urethra</a> of a male</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Female_vaginal_anatomy.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Female_vaginal_anatomy.jpg/120px-Female_vaginal_anatomy.jpg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/30/Female_vaginal_anatomy.jpg/180px-Female_vaginal_anatomy.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/30/Female_vaginal_anatomy.jpg/240px-Female_vaginal_anatomy.jpg 2x" data-file-width="3648" data-file-height="2736" /></a></span></div> <div class="gallerytext"></div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=17" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Hypospadias" title="Hypospadias">Perineal urethra</a></li> <li><a href="/wiki/Vulvovaginal_health" class="mw-redirect" title="Vulvovaginal health">Vulvovaginal health</a></li> <li><a href="/wiki/Urethral_glands" class="mw-redirect" title="Urethral glands">Urethral glands</a></li> <li><a href="/wiki/Urethral_sponge" title="Urethral sponge">Urethral sponge</a></li> <li>Sexual stimulation: <a href="/wiki/Urethral_sounding" title="Urethral sounding">Urethral sounding</a> and <a href="/wiki/Urethral_intercourse" title="Urethral intercourse">Urethral intercourse</a></li> <li><a href="/wiki/Urethrorrhagia" title="Urethrorrhagia">Urethrorrhagia</a></li> <li><a href="/wiki/Urethrotomy" title="Urethrotomy">Urethrotomy</a></li> <li><a href="/wiki/Urethrectomy" title="Urethrectomy">Urethrectomy</a></li> <li><a href="/wiki/Internal_urethral_orifice" title="Internal urethral orifice">Internal urethral orifice</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=18" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFBrading1999" class="citation journal cs1">Brading, Alison F. 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Androl</i>. <b>28</b> (2): <span class="nowrap">74–</span>7. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.1365-2605.2005.00499.x">10.1111/j.1365-2605.2005.00499.x</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/15811067">15811067</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:32553227">32553227</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Int.+J.+Androl.&rft.atitle=A+neglected+gland%3A+a+review+of+Cowper%27s+gland&rft.volume=28&rft.issue=2&rft.pages=%3Cspan+class%3D%22nowrap%22%3E74-%3C%2Fspan%3E7&rft.date=2005-04&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A32553227%23id-name%3DS2CID&rft_id=info%3Apmid%2F15811067&rft_id=info%3Adoi%2F10.1111%2Fj.1365-2605.2005.00499.x&rft.aulast=Chughtai&rft.aufirst=B&rft.au=Sawas%2C+A&rft.au=O%27Malley%2C+RL&rft.au=Naik%2C+RR&rft.au=Ali+Khan%2C+S&rft.au=Pentyala%2C+S&rft_id=https%3A%2F%2Fdoi.org%2F10.1111%252Fj.1365-2605.2005.00499.x&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUrethra" class="Z3988"></span></span> </li> <li id="cite_note-Davidsons2018urethritis-22"><span class="mw-cite-backlink">^ <a href="#cite_ref-Davidsons2018urethritis_22-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Davidsons2018urethritis_22-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Davidsons2018urethritis_22-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Davidsons2018urethritis_22-3"><sup><i><b>d</b></i></sup></a> <a href="#cite_ref-Davidsons2018urethritis_22-4"><sup><i><b>e</b></i></sup></a> <a href="#cite_ref-Davidsons2018urethritis_22-5"><sup><i><b>f</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRalstonPenmanStrachanHobson2018" class="citation book cs1">Ralston, Stuart H.; Penman, Ian D.; Strachan, Mark W.; Hobson, Richard P. 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Cambridge University Press. p. 195. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-521-84158-0" title="Special:BookSources/978-0-521-84158-0"><bdi>978-0-521-84158-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Microbial+Inhabitants+of+Humans%3A+Their+Ecology+and+Role+in+Health+and+Disease&rft.pages=195&rft.pub=Cambridge+University+Press&rft.date=2005&rft.isbn=978-0-521-84158-0&rft.aulast=Wilson&rft.aufirst=Michaeltitle%3DMicrobial+Inhabitants+of+Humans%3A+Their+Ecology+and+Role+in+Health+and+Disease&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3Dq9Qx9oRKO_kC&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUrethra" class="Z3988"></span></span> </li> <li id="cite_note-Tyndale-BiscoeRenfree1987-30"><span class="mw-cite-backlink"><b><a href="#cite_ref-Tyndale-BiscoeRenfree1987_30-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFHugh_Tyndale-BiscoeMarilyn_Renfree1987" class="citation book cs1">Hugh Tyndale-Biscoe; Marilyn Renfree (30 January 1987). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=HpjovN0vXW4C&q=%22urogenital+sinus%22+urethra+marsupial&pg=PA172"><i>Reproductive Physiology of Marsupials</i></a>. 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Karenberg, Axel (2010). <a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fpros.21129">"Uro-words making history: Ureter and urethra"</a>. <i>The Prostate</i>. <b>70</b> (9): <span class="nowrap">952–</span>958. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fpros.21129">10.1002/pros.21129</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/20166127">20166127</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:32778667">32778667</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Prostate&rft.atitle=Uro-words+making+history%3A+Ureter+and+urethra&rft.volume=70&rft.issue=9&rft.pages=%3Cspan+class%3D%22nowrap%22%3E952-%3C%2Fspan%3E958&rft.date=2010&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A32778667%23id-name%3DS2CID&rft_id=info%3Apmid%2F20166127&rft_id=info%3Adoi%2F10.1002%2Fpros.21129&rft.aulast=Marx&rft.aufirst=Franz+Josef&rft.au=Karenberg%2C+Axel&rft_id=https%3A%2F%2Fdoi.org%2F10.1002%252Fpros.21129&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUrethra" class="Z3988"></span></span> </li> <li id="cite_note-Tefekli2013-32"><span class="mw-cite-backlink"><b><a href="#cite_ref-Tefekli2013_32-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTefekliCezayirli2013" class="citation journal cs1">Tefekli, Ahmet; Cezayirli, Fatin (2013). <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3856162">"The History of Urinary Stones: In Parallel with Civilization"</a>. <i>The Scientific World Journal</i>. <b>2013</b>: 423964. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://doi.org/10.1155%2F2013%2F423964">10.1155/2013/423964</a></span>. <a href="/wiki/PMC_(identifier)" class="mw-redirect" title="PMC (identifier)">PMC</a> <span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3856162">3856162</a></span>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/24348156">24348156</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Scientific+World+Journal&rft.atitle=The+History+of+Urinary+Stones%3A+In+Parallel+with+Civilization&rft.volume=2013&rft.pages=423964&rft.date=2013&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC3856162%23id-name%3DPMC&rft_id=info%3Apmid%2F24348156&rft_id=info%3Adoi%2F10.1155%2F2013%2F423964&rft.aulast=Tefekli&rft.aufirst=Ahmet&rft.au=Cezayirli%2C+Fatin&rft_id=https%3A%2F%2Fwww.ncbi.nlm.nih.gov%2Fpmc%2Farticles%2FPMC3856162&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUrethra" class="Z3988"></span></span> </li> <li id="cite_note-Nahon2011-33"><span class="mw-cite-backlink">^ <a href="#cite_ref-Nahon2011_33-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Nahon2011_33-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFNahonWaddingtonDoreyAdams2011" class="citation journal cs1">Nahon, Irmina; Waddington, Gordon; Dorey, Grace; Adams, Roger (2011). "The History of Urologic Surgery: From Reeds to Robotics". <i>Urologic Nursing</i>. <b>31</b> (3): <span class="nowrap">173–</span>180. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.7257%2F1053-816X.2011.31.3.173">10.7257/1053-816X.2011.31.3.173</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/21805756">21805756</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Urologic+Nursing&rft.atitle=The+History+of+Urologic+Surgery%3A+From+Reeds+to+Robotics&rft.volume=31&rft.issue=3&rft.pages=%3Cspan+class%3D%22nowrap%22%3E173-%3C%2Fspan%3E180&rft.date=2011&rft_id=info%3Adoi%2F10.7257%2F1053-816X.2011.31.3.173&rft_id=info%3Apmid%2F21805756&rft.aulast=Nahon&rft.aufirst=Irmina&rft.au=Waddington%2C+Gordon&rft.au=Dorey%2C+Grace&rft.au=Adams%2C+Roger&rfr_id=info%3Asid%2Fen.wikipedia.org%3AUrethra" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Urethra&action=edit&section=19" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/University_of_Kansas" title="University of Kansas">Histology at KUMC</a> <i><a rel="nofollow" class="external text" href="https://www.kumc.edu/instruction/medicine/anatomy/histoweb/epithel/epith07.htm">epithel-epith07</a></i> "Male Urethra"</li></ul> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol ul,.mw-parser-output .hlist ul dl,.mw-parser-output .hlist ul ol,.mw-parser-output .hlist ul ul{display:inline}.mw-parser-output .hlist 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template">e</abbr></a></li></ul></div><div id="Human_systems_and_organs393" style="font-size:114%;margin:0 4em"><a href="/wiki/Human_body" title="Human body">Human systems</a> and <a href="/wiki/Organ_(biology)" title="Organ (biology)">organs</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_musculoskeletal_system" title="Human musculoskeletal system">Musculoskeletal system</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_skeleton" title="Human skeleton">Skeletal system</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Bone" title="Bone">Bone</a> <ul><li><a href="/wiki/Carpal_bones" title="Carpal bones">Carpus</a></li> <li><a href="/wiki/Clavicle" title="Clavicle">Collar bone</a> (clavicle)</li> <li><a href="/wiki/Femur" title="Femur">Thigh bone</a> (femur)</li> <li><a href="/wiki/Fibula" title="Fibula">Fibula</a></li> <li><a href="/wiki/Humerus" title="Humerus">Humerus</a></li> <li><a href="/wiki/Mandible" title="Mandible">Mandible</a></li> <li><a href="/wiki/Metacarpal_bones" title="Metacarpal bones">Metacarpus</a></li> <li><a href="/wiki/Metatarsal_bones" title="Metatarsal bones">Metatarsus</a></li> <li><a href="/wiki/Ossicles" title="Ossicles">Ossicles</a></li> <li><a href="/wiki/Patella" title="Patella">Patella</a></li> <li><a href="/wiki/Phalanx_bone" title="Phalanx bone">Phalanges</a></li> <li><a href="/wiki/Radius_(bone)" title="Radius (bone)">Radius</a></li> <li><a href="/wiki/Skull#Humans" title="Skull">Skull</a></li> <li><a href="/wiki/Tarsus_(skeleton)" title="Tarsus (skeleton)">Tarsus</a></li> <li><a href="/wiki/Tibia" title="Tibia">Tibia</a></li> <li><a href="/wiki/Ulna" title="Ulna">Ulna</a></li> <li><a href="/wiki/Rib" title="Rib">Rib</a></li> <li><a href="/wiki/Vertebral_column" class="mw-redirect" title="Vertebral column">Vertebra</a></li> <li><a href="/wiki/Pelvis" title="Pelvis">Pelvis</a></li> <li><a href="/wiki/Sternum" title="Sternum">Sternum</a></li></ul></li> <li><a href="/wiki/Cartilage" title="Cartilage">Cartilage</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Joint" title="Joint">Joints</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Fibrous_joint" title="Fibrous joint">Fibrous joint</a></li> <li><a href="/wiki/Cartilaginous_joint" title="Cartilaginous joint">Cartilaginous joint</a></li> <li><a href="/wiki/Synovial_joint" title="Synovial joint">Synovial joint</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Muscular_system" title="Muscular system">Muscular system</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Muscle" title="Muscle">Muscle</a></li> <li><a href="/wiki/Tendon" title="Tendon">Tendon</a></li> <li><a href="/wiki/Thoracic_diaphragm" title="Thoracic diaphragm">Diaphragm</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Circulatory_system" title="Circulatory system">Circulatory system</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Circulatory_system" title="Circulatory system">Cardiovascular system</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i>peripheral</i> <ul><li><a href="/wiki/Artery" title="Artery">Artery</a></li> <li><a href="/wiki/Vein" title="Vein">Vein</a></li> <li><a href="/wiki/Lymphatic_vessel" title="Lymphatic vessel">Lymphatic vessel</a></li></ul></li> <li><a href="/wiki/Heart" title="Heart">Heart</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Lymphatic_system" title="Lymphatic system">Lymphatic system</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><i>primary</i> <ul><li><a href="/wiki/Bone_marrow" title="Bone marrow">Bone marrow</a></li> <li><a href="/wiki/Thymus" title="Thymus">Thymus</a></li></ul></li> <li><i>secondary</i> <ul><li><a href="/wiki/Spleen" title="Spleen">Spleen</a></li> <li><a href="/wiki/Lymph_node" title="Lymph node">Lymph node</a></li></ul></li> <li><i>CNS equivalent</i> <ul><li><a href="/wiki/Glymphatic_system" title="Glymphatic system">Glymphatic system</a></li></ul></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Nervous_system" title="Nervous system">Nervous system</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li> <ul><li><a href="/wiki/Human_brain" title="Human brain">Brain</a></li> <li><a href="/wiki/Spinal_cord" title="Spinal cord">Spinal cord</a></li> <li><a href="/wiki/Nerve" title="Nerve">Nerve</a></li></ul></li> <li><a href="/wiki/Sensory_system" class="mw-redirect" title="Sensory system">Sensory system</a> <ul><li><a href="/wiki/Ear" title="Ear">Ear</a></li> <li><a href="/wiki/Human_eye" title="Human eye">Eye</a></li></ul></li> <li><a href="/wiki/Somatic_nervous_system" title="Somatic nervous system">Somatic system</a></li> <li><a href="/wiki/Nervous_tissue" title="Nervous tissue">Tissue</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Integumentary_system" title="Integumentary system">Integumentary system</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Human_skin" title="Human skin">Skin</a></li> <li><a href="/wiki/Subcutaneous_tissue" title="Subcutaneous tissue">Subcutaneous tissue</a></li> <li><a href="/wiki/Breast" title="Breast">Breast</a> <ul><li><a href="/wiki/Mammary_gland" title="Mammary gland">Mammary gland</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Haematopoietic_system" title="Haematopoietic system">Haematopoietic</a> and <a href="/wiki/Immune_system" title="Immune system">immune systems</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Myeloid" class="mw-redirect" title="Myeloid">Myeloid</a> <ul><li><a href="/wiki/Immune_system" title="Immune system">Myeloid immune system</a></li></ul></li> <li><a href="/wiki/Lymphocyte" title="Lymphocyte">Lymphoid</a> <ul><li><a href="/wiki/Immune_system" title="Immune system">Lymphoid immune system</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Respiratory_system" title="Respiratory system">Respiratory system</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Respiratory_tract#Upper_respiratory_tract" title="Respiratory tract">Upper</a> <ul><li><a href="/wiki/Human_nose" title="Human nose">Nose</a></li> <li><a href="/wiki/Pharynx#Nasopharynx" title="Pharynx">Nasopharynx</a></li> <li><a href="/wiki/Larynx" title="Larynx">Larynx</a></li></ul></li> <li><a href="/wiki/Respiratory_tract#Lower_respiratory_tract" title="Respiratory tract">Lower</a> <ul><li><a href="/wiki/Trachea" title="Trachea">Trachea</a></li> <li><a href="/wiki/Bronchus" title="Bronchus">Bronchus</a></li> <li><a href="/wiki/Lung" title="Lung">Lung</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_digestive_system" title="Human digestive system">Digestive system</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Human_mouth" title="Human mouth">Mouth</a> <ul><li><a href="/wiki/Salivary_gland" title="Salivary gland">Salivary gland</a></li> <li><a href="/wiki/Tongue" title="Tongue">Tongue</a></li> <li><a href="/wiki/Lip" title="Lip">Lip</a></li> <li><a href="/wiki/Human_tooth" title="Human tooth">Tooth</a></li></ul></li> <li><i>upper GI</i> <ul><li><a href="/wiki/Pharynx" title="Pharynx">Oropharynx</a></li> <li><a href="/wiki/Pharynx" title="Pharynx">Laryngopharynx</a></li> <li><a href="/wiki/Esophagus" title="Esophagus">Esophagus</a></li> <li><a href="/wiki/Stomach" title="Stomach">Stomach</a></li></ul></li> <li><i>lower GI</i> <ul><li><a href="/wiki/Small_intestine" title="Small intestine">Small intestine</a></li> <li><a href="/wiki/Appendix_(anatomy)" title="Appendix (anatomy)">Appendix</a></li> <li><a href="/wiki/Large_intestine#Structure" title="Large intestine">Colon</a></li> <li><a href="/wiki/Rectum" title="Rectum">Rectum</a></li> <li><a href="/wiki/Human_anus" title="Human anus">Anus</a></li></ul></li> <li><i><a href="/wiki/Human_digestive_system" title="Human digestive system">accessory</a></i> <ul><li><a href="/wiki/Liver" title="Liver">Liver</a></li> <li><a href="/wiki/Biliary_tract" title="Biliary tract">Biliary tract</a></li> <li><a href="/wiki/Pancreas" title="Pancreas">Pancreas</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Urinary_system" title="Urinary system">Urinary system</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Genitourinary_system" title="Genitourinary system">Genitourinary system</a></li> <li><a href="/wiki/Kidney" title="Kidney">Kidney</a></li> <li><a href="/wiki/Ureter" title="Ureter">Ureter</a></li> <li><a href="/wiki/Urinary_bladder" class="mw-redirect" title="Urinary bladder">Bladder</a></li> <li><a class="mw-selflink selflink">Urethra</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_reproductive_system" title="Human reproductive system">Reproductive system</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Male_reproductive_system" title="Male reproductive system">Male</a> <ul><li><a href="/wiki/Scrotum" title="Scrotum">Scrotum</a></li> <li><a href="/wiki/Human_penis" title="Human penis">Penis</a></li> <li><a href="/wiki/Prostate" title="Prostate">Prostate</a></li> <li><a href="/wiki/Testicle" title="Testicle">Testicle</a></li> <li><a href="/wiki/Seminal_vesicle" class="mw-redirect" title="Seminal vesicle">Seminal vesicle</a></li></ul></li> <li><a href="/wiki/Female_reproductive_system" title="Female reproductive system">Female</a> <ul><li><a href="/wiki/Uterus" title="Uterus">Uterus</a></li> <li><a href="/wiki/Vagina" title="Vagina">Vagina</a></li> <li><a href="/wiki/Vulva" title="Vulva">Vulva</a></li> <li><a href="/wiki/Ovary" title="Ovary">Ovary</a></li> <li><a href="/wiki/Placenta" title="Placenta">Placenta</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Endocrine_system" title="Endocrine system">Endocrine system</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Pituitary_gland" title="Pituitary gland">Pituitary</a></li> <li><a href="/wiki/Pineal_gland" title="Pineal gland">Pineal</a></li> <li><a href="/wiki/Thyroid" title="Thyroid">Thyroid</a></li> <li><a href="/wiki/Parathyroid_gland" title="Parathyroid gland">Parathyroid</a></li> <li><a href="/wiki/Adrenal_gland" title="Adrenal gland">Adrenal</a></li> <li><a href="/wiki/Pancreatic_islets" title="Pancreatic islets">Islets of Langerhans</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Anatomy_of_the_urinary_system93" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Urinary_system_anatomy" title="Template:Urinary system anatomy"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Urinary_system_anatomy" title="Template talk:Urinary system anatomy"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Urinary_system_anatomy" title="Special:EditPage/Template:Urinary system anatomy"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Anatomy_of_the_urinary_system93" style="font-size:114%;margin:0 4em">Anatomy of the <a href="/wiki/Urinary_system" title="Urinary system">urinary system</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Kidney" title="Kidney">Kidneys</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Layers</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Renal_fascia" title="Renal fascia">Fascia</a></li> <li><a href="/wiki/Renal_capsule" title="Renal capsule">Capsule</a></li> <li><a href="/wiki/Renal_cortex" title="Renal cortex">Cortex</a> <ul><li><a href="/wiki/Renal_column" title="Renal column">column</a></li></ul></li> <li><a href="/wiki/Renal_medulla" title="Renal medulla">Medulla</a> <ul><li><a href="/wiki/Renal_pyramids" class="mw-redirect" title="Renal pyramids">pyramids</a></li> <li><a href="/wiki/Medullary_interstitium" class="mw-redirect" title="Medullary interstitium">medullary interstitium</a></li></ul></li> <li><a href="/wiki/Renal_sinus" title="Renal sinus">Sinus</a></li> <li><a href="/wiki/Renal_lobe" title="Renal lobe">Lobe</a></li> <li><a href="/wiki/Cortical_lobule" title="Cortical lobule">Cortical lobule</a></li> <li><a href="/wiki/Medullary_ray_(anatomy)" title="Medullary ray (anatomy)">Medullary ray</a></li> <li><a href="/wiki/Nephron" title="Nephron">Nephron</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Renal_circulation" title="Renal circulation">Circulation</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Arteries <ul><li><a href="/wiki/Renal_artery" title="Renal artery">Renal artery</a></li> <li><a href="/wiki/Segmental_arteries_of_kidney" class="mw-redirect" title="Segmental arteries of kidney">segmental</a></li> <li><a href="/wiki/Interlobar_arteries" title="Interlobar arteries">interlobar</a></li> <li><a href="/wiki/Arcuate_arteries_of_the_kidney" title="Arcuate arteries of the kidney">arcuate</a></li> <li><a href="/wiki/Interlobular_arteries" title="Interlobular arteries">interlobular</a></li> <li><a href="/wiki/Afferent_arterioles" title="Afferent arterioles">afferent</a></li></ul></li> <li>Veins <ul><li><a href="/wiki/Renal_vein" title="Renal vein">Renal vein</a></li> <li><a href="/wiki/Peritubular_capillaries" title="Peritubular capillaries">Peritubular capillaries</a></li> <li><a href="/wiki/Straight_arterioles_of_kidney" class="mw-redirect" title="Straight arterioles of kidney">Vasa recta</a></li> <li><a href="/wiki/Arcuate_vein" title="Arcuate vein">arcuate</a></li> <li><a href="/wiki/Interlobar_veins" title="Interlobar veins">interlobar</a></li> <li><a href="/wiki/Efferent_arteriole" title="Efferent arteriole">efferent</a></li></ul></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Nephron" title="Nephron">Nephron</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Renal_corpuscle" title="Renal corpuscle">Renal corpuscle</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Glomerulus_(kidney)" title="Glomerulus (kidney)">Glomerulus</a></li> <li><a href="/wiki/Bowman%27s_capsule" title="Bowman's capsule">Bowman's capsule</a></li> <li><a href="/wiki/Glomerular_basement_membrane" title="Glomerular basement membrane">Glomerular basement membrane</a></li> <li><a href="/wiki/Podocyte" title="Podocyte">Podocyte</a></li> <li><a href="/wiki/Filtration_slits" class="mw-redirect" title="Filtration slits">Filtration slits</a></li> <li><a href="/wiki/Mesangium" class="mw-redirect" title="Mesangium">Mesangium</a></li> <li><a href="/wiki/Intraglomerular_mesangial_cell" title="Intraglomerular mesangial cell">Intraglomerular mesangial cell</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Renal_tubule" class="mw-redirect" title="Renal tubule">Renal tubule</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Proximal_convoluted_tubule" class="mw-redirect" title="Proximal convoluted tubule">Proximal convoluted tubule</a></li> <li><a href="/wiki/Loop_of_Henle" title="Loop of Henle">Loop of Henle</a> <ul><li><a href="/wiki/Descending_limb_of_loop_of_Henle" title="Descending limb of loop of Henle">Descending</a></li> <li><a href="/wiki/Ascending_limb_of_loop_of_Henle" title="Ascending limb of loop of Henle">Thin ascending</a></li> <li><a href="/wiki/Ascending_limb_of_loop_of_Henle" title="Ascending limb of loop of Henle">Thick ascending</a></li></ul></li> <li><a href="/wiki/Distal_convoluted_tubule" title="Distal convoluted tubule">Distal convoluted tubule</a></li> <li><a href="/wiki/Collecting_duct_system" title="Collecting duct system">Collecting duct system</a> <ul><li><a href="/wiki/Connecting_tubule" class="mw-redirect" title="Connecting tubule">Connecting tubule</a></li> <li><a href="/wiki/Papillary_duct" class="mw-redirect" title="Papillary duct">Papillary duct</a></li></ul></li> <li><a href="/wiki/Tubular_fluid" title="Tubular fluid">Tubular fluid</a></li> <li><a href="/wiki/Renal_papilla" class="mw-redirect" title="Renal papilla">Renal papilla</a></li> <li><a href="/wiki/Renal_calyx" title="Renal calyx">Minor calyx</a></li> <li><a href="/wiki/Renal_calyx" title="Renal calyx">Major calyx</a></li> <li><a href="/wiki/Renal_pelvis" title="Renal pelvis">Renal pelvis</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Juxtaglomerular_apparatus" title="Juxtaglomerular apparatus">Juxtaglomerular apparatus</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Macula_densa" title="Macula densa">Macula densa</a></li> <li><a href="/wiki/Juxtaglomerular_cell" title="Juxtaglomerular cell">Juxtaglomerular cells</a></li> <li><a href="/wiki/Mesangium" class="mw-redirect" title="Mesangium">Mesangium</a></li> <li><a href="/wiki/Extraglomerular_mesangial_cell" title="Extraglomerular mesangial cell">Extraglomerular mesangial cell</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ureter" title="Ureter">Ureters</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Ureteropelvic_junction" class="mw-redirect" title="Ureteropelvic junction">Ureteropelvic junction</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Urinary_bladder" class="mw-redirect" title="Urinary bladder">Bladder</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Circulation <ul><li><a href="/wiki/Vesical_arteries" title="Vesical arteries">Vesical arteries</a></li> <li><a href="/wiki/Vesical_veins" title="Vesical veins">Vesical veins</a></li> <li><a href="/wiki/Vaginal_artery" title="Vaginal artery">Vaginal artery</a> (female)</li></ul></li> <li><a href="/wiki/Detrusor_muscle" title="Detrusor muscle">Detrusor muscle</a></li> <li><a href="/wiki/Median_umbilical_ligament" title="Median umbilical ligament">Median umbilical ligament</a></li> <li><a href="/wiki/Trigone_of_the_urinary_bladder" title="Trigone of the urinary bladder">Trigone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a class="mw-selflink selflink">Urethra</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Internal_urethral_orifice" title="Internal urethral orifice">Internal urethral orifice</a></li> <li><a href="/wiki/Urethral_sphincters" title="Urethral sphincters">Urethral sphincters</a> <ul><li>External <ul><li><a href="/wiki/External_sphincter_muscle_of_male_urethra" title="External sphincter muscle of male urethra">male</a></li> <li><a href="/wiki/External_sphincter_muscle_of_female_urethra" title="External sphincter muscle of female urethra">female</a></li></ul></li> <li><a href="/wiki/Internal_urethral_sphincter" title="Internal urethral sphincter">Internal</a></li></ul></li> <li>Male urethra <ul><li><a href="/wiki/Pre-prostatic_urethra" title="Pre-prostatic urethra">pre-prostatic</a></li> <li><a href="/wiki/Prostatic_urethra" title="Prostatic urethra">prostatic</a></li> <li><a href="/wiki/Membranous_urethra" title="Membranous urethra">intermediate</a></li> <li><a href="/wiki/Spongy_urethra" title="Spongy urethra">spongy</a></li> <li><a href="/wiki/Navicular_fossa_of_male_urethra" title="Navicular fossa of male urethra">navicular fossa</a></li> <li><a href="/wiki/Lacunae_of_Morgagni" title="Lacunae of Morgagni">Lacunae of Morgagni</a></li> <li><a href="/wiki/Urethral_gland" title="Urethral gland">urethral gland</a></li></ul></li> <li><a href="/wiki/Urinary_meatus" title="Urinary meatus">Urinary meatus</a></li></ul> </div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Male_reproductive_system86" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Male_reproductive_system" title="Template:Male reproductive system"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Male_reproductive_system" title="Template talk:Male reproductive system"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Male_reproductive_system" title="Special:EditPage/Template:Male reproductive system"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Male_reproductive_system86" style="font-size:114%;margin:0 4em"><a href="/wiki/Male_reproductive_system" title="Male reproductive system">Male reproductive system</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Sex_organ" title="Sex organ">Internal</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Seminal_tract" title="Seminal tract">Seminal tract</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Testicle" title="Testicle">Testicles</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Layers <ul><li><a href="/wiki/Tunica_vaginalis" title="Tunica vaginalis">Tunica vaginalis</a></li> <li><a href="/wiki/Tunica_albuginea_of_testis" title="Tunica albuginea of testis">Tunica albuginea</a></li> <li><a href="/wiki/Tunica_vasculosa_testis" title="Tunica vasculosa testis">Tunica vasculosa</a></li></ul></li> <li><a href="/wiki/Appendix_of_testis" title="Appendix of testis">Appendix</a></li> <li><a href="/wiki/Mediastinum_testis" title="Mediastinum testis">Mediastinum</a></li> <li><a href="/wiki/Lobules_of_testis" title="Lobules of testis">Lobules</a></li> <li><a href="/wiki/Septa_of_testis" title="Septa of testis">Septa</a></li> <li><a href="/wiki/Leydig_cell" title="Leydig cell">Leydig cells</a></li> <li><a href="/wiki/Sertoli_cell" title="Sertoli cell">Sertoli cells</a></li> <li><a href="/wiki/Blood%E2%80%93testis_barrier" title="Blood–testis barrier">Blood–testis barrier</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Spermatogenesis" title="Spermatogenesis">Spermatogenesis</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Spermatogonium" title="Spermatogonium">Spermatogonium</a></li> <li><a href="/wiki/Spermatocytogenesis" title="Spermatocytogenesis">Spermatocytogenesis</a></li> <li><a href="/wiki/Spermatocyte" title="Spermatocyte">Spermatocyte</a></li> <li><a href="/wiki/Spermatidogenesis" title="Spermatidogenesis">Spermatidogenesis</a></li> <li><a href="/wiki/Spermatid" title="Spermatid">Spermatid</a></li> <li><a href="/wiki/Spermiogenesis" title="Spermiogenesis">Spermiogenesis</a></li> <li><a href="/wiki/Spermatozoon" title="Spermatozoon">Spermatozoon</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Seminiferous_tubule" title="Seminiferous tubule">Seminiferous tubules</a> <ul><li><a href="/wiki/Tubuli_seminiferi_recti" title="Tubuli seminiferi recti">Tubuli seminiferi recti</a></li> <li><a href="/wiki/Rete_testis" title="Rete testis">Retia testes</a></li> <li><a href="/wiki/Efferent_ducts" title="Efferent ducts">Efferent ducts</a></li></ul></li> <li><a href="/wiki/Epididymis" title="Epididymis">Epididymides</a> <ul><li><a href="/wiki/Appendix_of_the_epididymis" title="Appendix of the epididymis">Appendix</a></li> <li><a href="/wiki/Inferior_ligament_of_epididymis" title="Inferior ligament of epididymis">Inferior ligaments</a></li> <li><a href="/wiki/Superior_ligament_of_epididymis" title="Superior ligament of epididymis">Superior ligaments</a></li> <li><a href="/wiki/Stereocilia_(epididymis)" class="mw-redirect" title="Stereocilia (epididymis)">Stereocilia</a></li></ul></li> <li><a href="/wiki/Paradidymis" title="Paradidymis">Paradidymides</a></li> <li><a href="/wiki/Spermatic_cord" title="Spermatic cord">Spermatic cords</a> <ul><li><a href="/wiki/Pampiniform_plexus" title="Pampiniform plexus">Pampiniform plexus</a></li></ul></li> <li><a href="/wiki/Vas_deferens" title="Vas deferens">Vasa deferentia</a> <ul><li><a href="/wiki/Ampulla_of_ductus_deferens" class="mw-redirect" title="Ampulla of ductus deferens">Ampullae</a></li></ul></li> <li><a href="/wiki/Rectovesical_pouch" title="Rectovesical pouch">Rectovesical pouch</a></li> <li><a href="/wiki/Testicular_artery" title="Testicular artery">Testicular arteries</a></li> <li><a href="/wiki/Testicular_vein" title="Testicular vein">Testicular veins</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Male_accessory_gland" title="Male accessory gland">Accessory glands</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Seminal_vesicle" class="mw-redirect" title="Seminal vesicle">Seminal vesicles</a> <ul><li><a href="/wiki/Excretory_duct_of_seminal_gland" class="mw-redirect" title="Excretory duct of seminal gland">Excretory duct</a></li></ul></li> <li><a href="/wiki/Prostate" title="Prostate">Prostate</a> <ul><li><a href="/wiki/Urethral_crest" title="Urethral crest">Urethral crest</a></li> <li><a href="/wiki/Seminal_colliculus" title="Seminal colliculus">Seminal colliculus</a></li> <li><a href="/wiki/Ejaculatory_duct" title="Ejaculatory duct">Ejaculatory ducts</a></li> <li><a href="/wiki/Prostatic_sinus" title="Prostatic sinus">Sinus</a></li> <li><a href="/wiki/Prostatic_ducts" title="Prostatic ducts">Ducts</a></li> <li><a href="/wiki/Prostatic_utricle" title="Prostatic utricle">Utricle</a></li></ul></li> <li><a href="/wiki/Bulbourethral_gland" title="Bulbourethral gland">Bulbourethral glands</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Male_external_genitalia" class="mw-redirect" title="Male external genitalia">External</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Human_penis" title="Human penis">Penis</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Root_of_penis" title="Root of penis">Root</a> <ul><li><a href="/wiki/Crus_of_penis" title="Crus of penis">Crura</a></li> <li><a href="/wiki/Bulb_of_penis" title="Bulb of penis">Bulb</a></li> <li><a href="/wiki/Fundiform_ligament" title="Fundiform ligament">Fundiform ligament</a></li> <li><a href="/wiki/Suspensory_ligament_of_penis" title="Suspensory ligament of penis">Suspensory ligament</a></li></ul></li> <li><a href="/wiki/Body_of_penis" title="Body of penis">Body</a> <ul><li><a href="/wiki/Corpus_cavernosum_penis" title="Corpus cavernosum penis">Corpora cavernosa</a></li> <li><a href="/wiki/Trabeculae_of_corpora_cavernosa_of_penis" title="Trabeculae of corpora cavernosa of penis">Trabeculae of corpora cavernosa</a></li> <li><a href="/wiki/Corpus_spongiosum_penis" class="mw-redirect" title="Corpus spongiosum penis">Corpus spongiosum</a></li> <li><a href="/wiki/Trabeculae_of_corpus_spongiosum_of_penis" title="Trabeculae of corpus spongiosum of penis">Trabeculae of corpus spongiosum</a></li></ul></li> <li><a href="/wiki/Glans_penis" title="Glans penis">Glans</a> <ul><li><a href="/wiki/Foreskin" title="Foreskin">Foreskin</a></li> <li><a href="/wiki/Frenulum_of_prepuce_of_penis" class="mw-redirect" title="Frenulum of prepuce of penis">Frenulum</a></li> <li><a href="/wiki/Corona_of_glans_penis" title="Corona of glans penis">Corona</a></li> <li><a href="/wiki/Septum_glandis" title="Septum glandis">Septum glandis</a></li></ul></li> <li><a href="/wiki/Penile_raphe" title="Penile raphe">Raphe</a></li> <li><a href="/wiki/Fascia" title="Fascia">Fascia</a> <ul><li><a href="/wiki/Subcutaneous_tissue_of_penis" title="Subcutaneous tissue of penis">Superficial</a></li> <li><a href="/wiki/Buck%27s_fascia" title="Buck's fascia">Deep</a></li></ul></li> <li><a href="/wiki/Tunica_albuginea_(penis)" title="Tunica albuginea (penis)">Tunica albuginea</a></li> <li><a href="/wiki/Septum_of_the_penis" title="Septum of the penis">Septum</a></li> <li>Arteries <ul><li><a href="/wiki/Artery_of_bulb_of_penis" title="Artery of bulb of penis">Arteries of bulb</a></li> <li><a href="/wiki/Dorsal_artery_of_the_penis" title="Dorsal artery of the penis">Dorsal arteries</a></li> <li><a href="/wiki/Deep_artery_of_the_penis" title="Deep artery of the penis">Deep arteries</a></li> <li><a href="/wiki/Internal_pudendal_artery" title="Internal pudendal artery">Internal pudendal artery</a></li></ul></li> <li>Veins <ul><li><a href="/wiki/Dorsal_veins_of_penis" class="mw-redirect" title="Dorsal veins of penis">Dorsal veins</a></li> <li><a href="/wiki/Vein_of_bulb_of_penis" title="Vein of bulb of penis">Vein of bulb</a></li> <li><a href="/wiki/Internal_pudendal_veins" title="Internal pudendal veins">Internal pudendal veins</a></li></ul></li> <li>Nerves <ul><li><a href="/wiki/Dorsal_nerve_of_the_penis" title="Dorsal nerve of the penis">Dorsal nerves</a></li> <li><a href="/wiki/Pudendal_nerves" class="mw-redirect" title="Pudendal nerves">Pudendal nerves</a></li></ul></li> <li><a class="mw-selflink selflink">Urethra</a> <ul><li><a href="/wiki/Internal_urethral_sphincter" title="Internal urethral sphincter">Internal urethral sphincter</a></li> <li><a href="/wiki/Internal_urethral_orifice" title="Internal urethral orifice">Internal urethral orifice</a></li> <li><a href="/wiki/Pre-prostatic_urethra" title="Pre-prostatic urethra">Pre-prostatic</a></li> <li><a href="/wiki/Prostatic_urethra" title="Prostatic urethra">Prostatic</a></li> <li><a href="/wiki/Membranous_urethra" title="Membranous urethra">Intermediate</a></li> <li><a href="/wiki/Spongy_urethra" title="Spongy urethra">Spongy</a></li> <li><a href="/wiki/External_sphincter_muscle_of_male_urethra" title="External sphincter muscle of male urethra">External sphincter muscle</a></li></ul></li> <li><a href="/wiki/Navicular_fossa_of_male_urethra" title="Navicular fossa of male urethra">Navicular fossa</a> <ul><li><a href="/wiki/Lacuna_magna" title="Lacuna magna">Lacuna magna</a></li></ul></li> <li><a href="/wiki/Urinary_meatus" title="Urinary meatus">External urethral orifice</a></li> <li><a href="/wiki/Lacunae_of_Morgagni" title="Lacunae of Morgagni">Lacunae of Morgagni</a></li> <li><a href="/wiki/Urethral_gland" title="Urethral gland">Urethral glands</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Scrotum" title="Scrotum">Scrotum</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Layers <ul><li><a href="/wiki/Human_skin" title="Human skin">Skin</a></li> <li><a href="/wiki/Dartos_fascia" title="Dartos fascia">Dartos fascia</a></li> <li><a href="/wiki/External_spermatic_fascia" title="External spermatic fascia">External spermatic fascia</a></li> <li><a href="/wiki/Cremaster_muscle" title="Cremaster muscle">Cremaster</a></li> <li><a href="/wiki/Cremasteric_fascia" title="Cremasteric fascia">Cremasteric fascia</a></li> <li><a href="/wiki/Internal_spermatic_fascia" title="Internal spermatic fascia">Internal spermatic fascia</a></li></ul></li> <li><a href="/wiki/Scrotal_ligament" title="Scrotal ligament">Ligament</a></li> <li>Raphe</li> <li><a href="/wiki/Scrotal_septum" title="Scrotal septum">Septum</a></li> <li>Arteries <ul><li><a href="/wiki/Anterior_scrotal_arteries" title="Anterior scrotal arteries">Anterior scrotal arteries</a></li> <li><a href="/wiki/Posterior_scrotal_arteries" title="Posterior scrotal arteries">Posterior scrotal arteries</a></li></ul></li> <li>Nerves <ul><li><a href="/wiki/Anterior_scrotal_nerves" title="Anterior scrotal nerves">Anterior scrotal nerves</a></li> <li><a href="/wiki/Posterior_scrotal_nerves" title="Posterior scrotal nerves">Posterior scrotal nerves</a></li> <li><a href="/wiki/Perineal_nerve" title="Perineal nerve">Perineal nerve</a></li></ul></li> <li><a href="/wiki/Posterior_scrotal_veins" title="Posterior scrotal veins">Posterior scrotal veins</a></li></ul> </div></td></tr></tbody></table><div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1038841319">.mw-parser-output .tooltip-dotted{border-bottom:1px dotted;cursor:help}</style><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1038841319"></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q9386#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata2387" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div id="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q9386#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata2387" style="font-size:114%;margin:0 4em"><a href="/wiki/Help:Authority_control" title="Help:Authority control">Authority control databases</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q9386#identifiers" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, 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class="rt-commentedText tooltip tooltip-dotted" title="Urètre"><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb11933735s">BnF data</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00568745">Japan</a></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="močová trubice"><a rel="nofollow" class="external text" href="https://aleph.nkp.cz/F/?func=find-c&local_base=aut&ccl_term=ica=ph123013&CON_LNG=ENG">Czech Republic</a></span></span></li><li><span class="uid"><span class="rt-commentedText tooltip tooltip-dotted" title="Uretra"><a rel="nofollow" class="external text" href="http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id=XX533345">Spain</a></span></span></li><li><span class="uid"><a rel="nofollow" class="external text" href="https://www.nli.org.il/en/authorities/987007529764305171">Israel</a></span></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Other</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"><ul><li><span class="uid"><a class="external text" href="http://tools.wmflabs.org/wikidata-externalid-url/?p=1323&url_prefix=https:%2F%2Fwww.unifr.ch%2Fifaa%2FPublic%2FEntryPage%2FTA98%20Tree%2FEntity%20TA98%20EN%2F&url_suffix=%20Entity%20TA98%20EN.htm&id=A08.4.01.001F">Terminologia Anatomica</a></span><ul><li><span class="uid"><a class="external text" href="http://tools.wmflabs.org/wikidata-externalid-url/?p=1323&url_prefix=https:%2F%2Fwww.unifr.ch%2Fifaa%2FPublic%2FEntryPage%2FTA98%20Tree%2FEntity%20TA98%20EN%2F&url_suffix=%20Entity%20TA98%20EN.htm&id=A08.5.01.001M">2</a></span></li></ul></li></ul></div></td></tr></tbody></table></div>    </div><noscript><img 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