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[r]" accesskey="r"><span>Siste endringar</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Spesial:Tilfeldig_side" title="Vis ei tilfeldig side [x]" accesskey="x"><span>Tilfeldig side</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Hjelp:Innhald" title="Hjelp til å bruke alle funksjonane."><span>Hjelp</span></a></li><li id="n-kontakt" class="mw-list-item"><a href="/wiki/Wikipedia:Kontakt"><span>Kontakt</span></a></li> </ul> </div> </div> <div id="p-query" class="vector-menu mw-portlet mw-portlet-query emptyPortlet" > <div class="vector-menu-heading"> Eksterne søk </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> På andre prosjekt </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Lymph_nodes" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q170758" title="Lenkje til tilknytt element [g]" accesskey="g"><span>Wikidata-element</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Hovudside" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; 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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Logg inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Sider for utlogga bidragsytarar <a href="/wiki/Hjelp:Introduksjon" aria-label="Lær meir om redigering"><span>lær meir</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Spesial:Bidraga_mine" title="Liste over endringar gjorde frå denne IP-adressa [y]" accesskey="y"><span>Bidrag</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Spesial:Diskusjonssida_mi" title="Diskusjon om endringar gjorde av denne ip-adressa [n]" accesskey="n"><span>Diskusjon</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Nettstad"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Innhald" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Innhald</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">flytt til sidefeltet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">gøym</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Byrjinga</div> </a> </li> <li id="toc-Struktur" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Struktur"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Struktur</span> </div> </a> <button aria-controls="toc-Struktur-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>Vis/skjul underseksjonen Struktur</span> </button> <ul id="toc-Struktur-sublist" class="vector-toc-list"> <li id="toc-Kapsel" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Kapsel"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Kapsel</span> </div> </a> <ul id="toc-Kapsel-sublist" class="vector-toc-list"> <li id="toc-Subkapsulær_sinus" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Subkapsulær_sinus"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1.1</span> <span>Subkapsulær sinus</span> </div> </a> <ul id="toc-Subkapsulær_sinus-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Korteks" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Korteks"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Korteks</span> </div> </a> <ul id="toc-Korteks-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Medulla" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Medulla"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>Medulla</span> </div> </a> <ul id="toc-Medulla-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Funksjon" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Funksjon"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Funksjon</span> </div> </a> <ul id="toc-Funksjon-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Klinisk_relevans" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Klinisk_relevans"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Klinisk relevans</span> </div> </a> <ul id="toc-Klinisk_relevans-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Fleire_bilete" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Fleire_bilete"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Fleire bilete</span> </div> </a> <ul id="toc-Fleire_bilete-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Sjå_òg" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Sjå_òg"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Sjå òg</span> </div> </a> <ul id="toc-Sjå_òg-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Kjelder" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Kjelder"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Kjelder</span> </div> </a> <ul id="toc-Kjelder-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Bakgrunnsstoff" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Bakgrunnsstoff"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Bakgrunnsstoff</span> </div> </a> <ul id="toc-Bakgrunnsstoff-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="Innhald" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <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="Vis/skjul innhaldslista" > <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">Vis/skjul innhaldslista</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">Lymfeknut</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="Gå til ein artikkel på eit anna språk. Tilgjengeleg på 70 språk" > <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-70" 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">70 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Lymfeknute" title="Lymfeknute – norsk bokmål" lang="nb" hreflang="nb" data-title="Lymfeknute" data-language-autonym="Norsk bokmål" data-language-local-name="norsk bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Lymfknuta" title="Lymfknuta – svensk" lang="sv" hreflang="sv" data-title="Lymfknuta" data-language-autonym="Svenska" data-language-local-name="svensk" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Lymfeknude" title="Lymfeknude – dansk" lang="da" hreflang="da" data-title="Lymfeknude" data-language-autonym="Dansk" data-language-local-name="dansk" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B9%D9%82%D8%AF%D8%A9_%D9%84%D9%85%D9%81%D8%A7%D9%88%D9%8A%D8%A9" title="عقدة لمفاوية – arabisk" lang="ar" hreflang="ar" data-title="عقدة لمفاوية" data-language-autonym="العربية" data-language-local-name="arabisk" 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/Ganglio_limfatico" title="Ganglio limfatico – aragonsk" lang="an" hreflang="an" data-title="Ganglio limfatico" data-language-autonym="Aragonés" data-language-local-name="aragonsk" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-awa mw-list-item"><a href="https://awa.wikipedia.org/wiki/%E0%A4%B2%E0%A5%80%E0%A4%AE%E0%A5%8D%E0%A4%AB_%E0%A4%A8%E0%A5%8B%E0%A4%A1%E0%A4%BC" title="लीम्फ नोड़ – avadhi" lang="awa" hreflang="awa" data-title="लीम्फ नोड़" data-language-autonym="अवधी" data-language-local-name="avadhi" class="interlanguage-link-target"><span>अवधी</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Limfa_d%C3%BCy%C3%BCnl%C9%99ri" title="Limfa düyünləri – aserbajdsjansk" lang="az" hreflang="az" data-title="Limfa düyünləri" data-language-autonym="Azərbaycanca" data-language-local-name="aserbajdsjansk" 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%B2%E0%A6%B8%E0%A6%BF%E0%A6%95%E0%A6%BE%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%A8%E0%A7%8D%E0%A6%A5%E0%A6%BF" title="লসিকাগ্রন্থি – bengali" lang="bn" hreflang="bn" data-title="লসিকাগ্রন্থি" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9B%D1%96%D0%BC%D1%84%D0%B0%D1%82%D1%8B%D1%87%D0%BD%D1%8B_%D0%B2%D1%83%D0%B7%D0%B5%D0%BB" title="Лімфатычны вузел – belarusisk" lang="be" hreflang="be" data-title="Лімфатычны вузел" data-language-autonym="Беларуская" data-language-local-name="belarusisk" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BC%D1%84%D0%B5%D0%BD_%D0%B2%D1%8A%D0%B7%D0%B5%D0%BB" title="Лимфен възел – bulgarsk" lang="bg" hreflang="bg" data-title="Лимфен възел" data-language-autonym="Български" data-language-local-name="bulgarsk" 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/Limfni_%C4%8Dvor" title="Limfni čvor – bosnisk" lang="bs" hreflang="bs" data-title="Limfni čvor" data-language-autonym="Bosanski" data-language-local-name="bosnisk" 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/Gangli_limf%C3%A0tic" title="Gangli limfàtic – katalansk" lang="ca" hreflang="ca" data-title="Gangli limfàtic" data-language-autonym="Català" data-language-local-name="katalansk" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/M%C3%ADzn%C3%AD_uzlina" title="Mízní uzlina – tsjekkisk" lang="cs" hreflang="cs" data-title="Mízní uzlina" data-language-autonym="Čeština" data-language-local-name="tsjekkisk" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Lymphknoten" title="Lymphknoten – tysk" lang="de" hreflang="de" data-title="Lymphknoten" data-language-autonym="Deutsch" data-language-local-name="tysk" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/L%C3%BCmfis%C3%B5lm" title="Lümfisõlm – estisk" lang="et" hreflang="et" data-title="Lümfisõlm" data-language-autonym="Eesti" data-language-local-name="estisk" 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%9B%CE%B5%CE%BC%CF%86%CE%B1%CE%B4%CE%AD%CE%BD%CE%B1%CF%82" title="Λεμφαδένας – gresk" lang="el" hreflang="el" data-title="Λεμφαδένας" data-language-autonym="Ελληνικά" data-language-local-name="gresk" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Lymph_node" title="Lymph node – engelsk" lang="en" hreflang="en" data-title="Lymph node" data-language-autonym="English" data-language-local-name="engelsk" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ganglio_linf%C3%A1tico" title="Ganglio linfático – spansk" lang="es" hreflang="es" data-title="Ganglio linfático" data-language-autonym="Español" data-language-local-name="spansk" 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/Limfaj_ganglioj" title="Limfaj ganglioj – esperanto" lang="eo" hreflang="eo" data-title="Limfaj ganglioj" 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/Gongoil_linfatiko" title="Gongoil linfatiko – baskisk" lang="eu" hreflang="eu" data-title="Gongoil linfatiko" data-language-autonym="Euskara" data-language-local-name="baskisk" 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/%DA%AF%D8%B1%D9%87%E2%80%8C%D9%87%D8%A7%DB%8C_%D9%84%D9%86%D9%81%D8%A7%D9%88%DB%8C" title="گره‌های لنفاوی – persisk" lang="fa" hreflang="fa" data-title="گره‌های لنفاوی" data-language-autonym="فارسی" data-language-local-name="persisk" 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/Ganglion_lymphatique" title="Ganglion lymphatique – fransk" lang="fr" hreflang="fr" data-title="Ganglion lymphatique" data-language-autonym="Français" data-language-local-name="fransk" 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/Faireog_limfe" title="Faireog limfe – irsk" lang="ga" hreflang="ga" data-title="Faireog limfe" data-language-autonym="Gaeilge" data-language-local-name="irsk" 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/Ganglio_linf%C3%A1tico" title="Ganglio linfático – galisisk" lang="gl" hreflang="gl" data-title="Ganglio linfático" data-language-autonym="Galego" data-language-local-name="galisisk" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%B2%E0%AA%B8%E0%AA%BF%E0%AA%95%E0%AA%BE_%E0%AA%97%E0%AA%BE%E0%AA%82%E0%AA%A0" title="લસિકા ગાંઠ – gujarati" lang="gu" hreflang="gu" data-title="લસિકા ગાંઠ" data-language-autonym="ગુજરાતી" data-language-local-name="gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A6%BC%ED%94%84%EC%A0%88" title="림프절 – koreansk" lang="ko" hreflang="ko" data-title="림프절" data-language-autonym="한국어" data-language-local-name="koreansk" 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/%D4%B1%D5%BE%D5%B7%D5%A1%D5%B5%D5%AB%D5%B6_%D5%B0%D5%A1%D5%B6%D5%A3%D5%B8%D6%82%D5%B5%D6%81" title="Ավշային հանգույց – armensk" lang="hy" hreflang="hy" data-title="Ավշային հանգույց" data-language-autonym="Հայերեն" data-language-local-name="armensk" 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%B2%E0%A4%B8%E0%A5%80%E0%A4%95%E0%A4%BE_%E0%A4%AA%E0%A4%B0%E0%A5%8D%E0%A4%B5" title="लसीका पर्व – hindi" lang="hi" hreflang="hi" data-title="लसीका पर्व" 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/Limfni_%C4%8Dvor" title="Limfni čvor – kroatisk" lang="hr" hreflang="hr" data-title="Limfni čvor" data-language-autonym="Hrvatski" data-language-local-name="kroatisk" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kelenjar_limfa" title="Kelenjar limfa – indonesisk" lang="id" hreflang="id" data-title="Kelenjar limfa" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesisk" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Glandula_lymphatic" title="Glandula lymphatic – interlingua" lang="ia" hreflang="ia" data-title="Glandula lymphatic" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Amadlala_woketshe" title="Amadlala woketshe – zulu" lang="zu" hreflang="zu" data-title="Amadlala woketshe" data-language-autonym="IsiZulu" data-language-local-name="zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Eitill" title="Eitill – islandsk" lang="is" hreflang="is" data-title="Eitill" data-language-autonym="Íslenska" data-language-local-name="islandsk" 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/Linfonodo" title="Linfonodo – italiensk" lang="it" hreflang="it" data-title="Linfonodo" data-language-autonym="Italiano" data-language-local-name="italiensk" 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%A7%D7%A9%D7%A8%D7%99_%D7%9C%D7%99%D7%9E%D7%A4%D7%94" title="קשרי לימפה – hebraisk" lang="he" hreflang="he" data-title="קשרי לימפה" data-language-autonym="עברית" data-language-local-name="hebraisk" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%A6%E0%B3%81%E0%B2%97%E0%B3%8D%E0%B2%A7%E0%B2%B0%E0%B2%B8_%E0%B2%97%E0%B3%8D%E0%B2%B0%E0%B2%82%E0%B2%A5%E0%B2%BF_(Lymph_Node)" title="ದುಗ್ಧರಸ ಗ್ರಂಥಿ (Lymph Node) – kannada" lang="kn" hreflang="kn" data-title="ದುಗ್ಧರಸ ಗ್ರಂಥಿ (Lymph Node)" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BC%D1%84%D0%B0_%D0%B1%D0%B5%D0%B7%D1%96" title="Лимфа безі – kasakhisk" lang="kk" hreflang="kk" data-title="Лимфа безі" data-language-autonym="Қазақша" data-language-local-name="kasakhisk" 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/Ne_lenfatik" title="Ne lenfatik – haitisk" lang="ht" hreflang="ht" data-title="Ne lenfatik" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitisk" 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/L%C3%AEmfegir%C3%AA" title="Lîmfegirê – kurdisk" lang="ku" hreflang="ku" data-title="Lîmfegirê" data-language-autonym="Kurdî" data-language-local-name="kurdisk" 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/Nodus_lymphaticus" title="Nodus lymphaticus – latin" lang="la" hreflang="la" data-title="Nodus lymphaticus" 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/Limfmezgli" title="Limfmezgli – latvisk" lang="lv" hreflang="lv" data-title="Limfmezgli" data-language-autonym="Latviešu" data-language-local-name="latvisk" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Limfmazgis" title="Limfmazgis – litauisk" lang="lt" hreflang="lt" data-title="Limfmazgis" data-language-autonym="Lietuvių" data-language-local-name="litauisk" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Nodo_limfal" title="Nodo limfal – lingua franca nova" lang="lfn" hreflang="lfn" data-title="Nodo limfal" 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-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Nyirokcsom%C3%B3" title="Nyirokcsomó – ungarsk" lang="hu" hreflang="hu" data-title="Nyirokcsomó" data-language-autonym="Magyar" data-language-local-name="ungarsk" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9B%D0%B8%D0%BC%D1%84%D0%B5%D0%BD_%D1%98%D0%B0%D0%B7%D0%BE%D0%BB" title="Лимфен јазол – makedonsk" lang="mk" hreflang="mk" data-title="Лимфен јазол" data-language-autonym="Македонски" data-language-local-name="makedonsk" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B2%E0%B4%B8%E0%B4%BF%E0%B4%95%E0%B4%BE%E0%B4%97%E0%B5%8D%E0%B4%B0%E0%B4%A8%E0%B5%8D%E0%B4%A5%E0%B4%BF" title="ലസികാഗ്രന്ഥി – malayalam" lang="ml" hreflang="ml" data-title="ലസികാഗ്രന്ഥി" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Nodus_limfa" title="Nodus limfa – malayisk" lang="ms" hreflang="ms" data-title="Nodus limfa" data-language-autonym="Bahasa Melayu" data-language-local-name="malayisk" 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/Lymfeklier" title="Lymfeklier – nederlandsk" lang="nl" hreflang="nl" data-title="Lymfeklier" data-language-autonym="Nederlands" data-language-local-name="nederlandsk" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%83%AA%E3%83%B3%E3%83%91%E7%AF%80" title="リンパ節 – japansk" lang="ja" hreflang="ja" data-title="リンパ節" data-language-autonym="日本語" data-language-local-name="japansk" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Limfa_tugunlari" title="Limfa tugunlari – usbekisk" lang="uz" hreflang="uz" data-title="Limfa tugunlari" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="usbekisk" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/W%C4%99ze%C5%82_ch%C5%82onny" title="Węzeł chłonny – polsk" lang="pl" hreflang="pl" data-title="Węzeł chłonny" data-language-autonym="Polski" data-language-local-name="polsk" 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/Linfonodo" title="Linfonodo – portugisisk" lang="pt" hreflang="pt" data-title="Linfonodo" data-language-autonym="Português" data-language-local-name="portugisisk" 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/Ganglion_limfatic" title="Ganglion limfatic – rumensk" lang="ro" hreflang="ro" data-title="Ganglion limfatic" data-language-autonym="Română" data-language-local-name="rumensk" 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%9B%D0%B8%D0%BC%D1%84%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B9_%D1%83%D0%B7%D0%B5%D0%BB" title="Лимфатический узел – russisk" lang="ru" hreflang="ru" data-title="Лимфатический узел" data-language-autonym="Русский" data-language-local-name="russisk" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Lymph_node" title="Lymph node – enkel engelsk" lang="en-simple" hreflang="en-simple" data-title="Lymph node" data-language-autonym="Simple English" data-language-local-name="enkel engelsk" 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/Lymfatick%C3%A1_uzlina" title="Lymfatická uzlina – slovakisk" lang="sk" hreflang="sk" data-title="Lymfatická uzlina" data-language-autonym="Slovenčina" data-language-local-name="slovakisk" 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/Bezgavka" title="Bezgavka – slovensk" lang="sl" hreflang="sl" data-title="Bezgavka" data-language-autonym="Slovenščina" data-language-local-name="slovensk" 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%84%DB%8C%D9%85%D9%81%DB%95%DA%AF%D8%B1%DB%8E" title="لیمفەگرێ – sorani" lang="ckb" hreflang="ckb" data-title="لیمفەگرێ" data-language-autonym="کوردی" data-language-local-name="sorani" 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%9B%D0%B8%D0%BC%D1%84%D0%BD%D0%B8_%D1%87%D0%B2%D0%BE%D1%80%D0%BE%D0%B2%D0%B8" title="Лимфни чворови – serbisk" lang="sr" hreflang="sr" data-title="Лимфни чворови" data-language-autonym="Српски / srpski" data-language-local-name="serbisk" 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/Limfni_%C4%8Dvor" title="Limfni čvor – serbokroatisk" lang="sh" hreflang="sh" data-title="Limfni čvor" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatisk" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Imusolmuke" title="Imusolmuke – finsk" lang="fi" hreflang="fi" data-title="Imusolmuke" data-language-autonym="Suomi" data-language-local-name="finsk" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A8%E0%AE%BF%E0%AE%A3%E0%AE%A8%E0%AF%80%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%A3%E0%AF%81" title="நிணநீர்க்கணு – tamil" lang="ta" hreflang="ta" data-title="நிணநீர்க்கணு" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%95%E0%B9%88%E0%B8%AD%E0%B8%A1%E0%B8%99%E0%B9%89%E0%B8%B3%E0%B9%80%E0%B8%AB%E0%B8%A5%E0%B8%B7%E0%B8%AD%E0%B8%87" title="ต่อมน้ำเหลือง – thai" lang="th" hreflang="th" data-title="ต่อมน้ำเหลือง" 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/Lenf_nodu" title="Lenf nodu – tyrkisk" lang="tr" hreflang="tr" data-title="Lenf nodu" data-language-autonym="Türkçe" data-language-local-name="tyrkisk" 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%9B%D1%96%D0%BC%D1%84%D0%B0%D1%82%D0%B8%D1%87%D0%BD%D0%B8%D0%B9_%D0%B2%D1%83%D0%B7%D0%BE%D0%BB" title="Лімфатичний вузол – ukrainsk" lang="uk" hreflang="uk" data-title="Лімфатичний вузол" data-language-autonym="Українська" data-language-local-name="ukrainsk" 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%B3%DB%8C%D8%A7%D9%84%DB%81_%D8%B9%D9%82%D8%AF%DB%81" title="سیالہ عقدہ – urdu" lang="ur" hreflang="ur" data-title="سیالہ عقدہ" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/H%E1%BA%A1ch_b%E1%BA%A1ch_huy%E1%BA%BFt" title="Hạch bạch huyết – vietnamesisk" lang="vi" hreflang="vi" data-title="Hạch bạch huyết" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesisk" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%B7%8B%E5%B7%B4%E7%BB%93" title="淋巴结 – wu" lang="wuu" hreflang="wuu" data-title="淋巴结" 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/%E6%B7%8B%E5%B7%B4%E7%B5%90" title="淋巴結 – kantonesisk" lang="yue" hreflang="yue" data-title="淋巴結" data-language-autonym="粵語" data-language-local-name="kantonesisk" 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/%E6%B7%8B%E5%B7%B4%E7%B5%90" title="淋巴結 – kinesisk" lang="zh" hreflang="zh" data-title="淋巴結" data-language-autonym="中文" data-language-local-name="kinesisk" 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/Q170758#sitelinks-wikipedia" title="Endra mellomspråklege lenkjer" class="wbc-editpage">Endra lenkjer</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnerom"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Lymfeknut" title="Vis innhaldssida [c]" accesskey="c"><span>Artikkel</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Diskusjon:Lymfeknut&action=edit&redlink=1" rel="discussion" class="new" title="Diskusjon om innhaldssida (sida finst ikkje) [t]" accesskey="t"><span>Diskusjon</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" 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mw-parser-output" lang="nn" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Schematic_of_lymph_node_showing_lymph_sinuses.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Schematic_of_lymph_node_showing_lymph_sinuses.svg/220px-Schematic_of_lymph_node_showing_lymph_sinuses.svg.png" decoding="async" width="220" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Schematic_of_lymph_node_showing_lymph_sinuses.svg/330px-Schematic_of_lymph_node_showing_lymph_sinuses.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/92/Schematic_of_lymph_node_showing_lymph_sinuses.svg/440px-Schematic_of_lymph_node_showing_lymph_sinuses.svg.png 2x" data-file-width="610" data-file-height="500" /></a><figcaption>Diagram av ein lymfeknut som visar straumen av <a href="/w/index.php?title=Lymfe&action=edit&redlink=1" class="new" title="Lymfe (sida finst ikkje)">lymfe</a> gjennom subkapsulær sinus</figcaption></figure> <p><b>Lymfeknutar</b> (av <a href="/wiki/Latin" title="Latin">latin</a> <i>nodus lymphaticus</i>) er bønneforma eller ovale <a href="/wiki/Organ" title="Organ">organ</a> i <a href="/wiki/Lymfesystem" title="Lymfesystem">lymfesystemet</a> som finst i store delar av kroppen, mellom anna i <a href="/wiki/Armhole" title="Armhole">armhola</a> og <a href="/wiki/Abdomen" class="mw-redirect" title="Abdomen">abdomen</a>, og som er samankopla av <a href="/w/index.php?title=Lymfe%C3%A5re&action=edit&redlink=1" class="new" title="Lymfeåre (sida finst ikkje)">lymfeårer</a>.<sup id="cite_ref-sml1_1-0" class="reference"><a href="#cite_note-sml1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Lymfeknutane er samansette av <a href="/w/index.php?title=Lymfatisk_vev&action=edit&redlink=1" class="new" title="Lymfatisk vev (sida finst ikkje)">lymfatisk vev</a> fylt med <a href="/w/index.php?title=B-celle&action=edit&redlink=1" class="new" title="B-celle (sida finst ikkje)">B-celler</a>, <a href="/w/index.php?title=T-celle&action=edit&redlink=1" class="new" title="T-celle (sida finst ikkje)">T-celler</a> og andre <a href="/wiki/Kvit_blodlekam" title="Kvit blodlekam">immunceller</a>. Lymfeknutane er ein viktig del av immunsystemet, og jobbar med å filtrere framandpartiklar og <a href="/w/index.php?title=Kreftcelle&action=edit&redlink=1" class="new" title="Kreftcelle (sida finst ikkje)">kreftceller</a>. Lymfeknutar jobbar ikkje med toksisitet; giftstoff blir i hovudsak handsama av <a href="/wiki/Lever" title="Lever">levra</a> og <a href="/wiki/Nyre" title="Nyre">nyrene</a>. </p><p>Lymfeknutar kan ofte ha klinisk relevans. Dei kan bli betente og svolne ved ulike infeksjonar og sjukdommar, frå trivielle <a href="/wiki/Faryngitt" title="Faryngitt">halsinfeksjonar</a> til livstrugande <a href="/wiki/Kreft" title="Kreft">kreftformer</a>. Tilstanden til lymfeknutane er viktig ved <a href="/w/index.php?title=Stadieinndeling_av_kreft&action=edit&redlink=1" class="new" title="Stadieinndeling av kreft (sida finst ikkje)">stadieinndeling av kreft</a>, der dei bidreg til å finne behandlingar og setje <a href="/wiki/Diagnose" title="Diagnose">diagnosar</a>. Når dei er svolne eller betente er dei ofte harde, faste eller ømme.<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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Struktur">Struktur</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=1" title="Endre bolk: Struktur" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=1" title="Rediger kildekoden til seksjonen Struktur"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Lymphknoten_(Schwein).jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Lymphknoten_%28Schwein%29.jpg/220px-Lymphknoten_%28Schwein%29.jpg" decoding="async" width="220" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/Lymphknoten_%28Schwein%29.jpg/330px-Lymphknoten_%28Schwein%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/92/Lymphknoten_%28Schwein%29.jpg/440px-Lymphknoten_%28Schwein%29.jpg 2x" data-file-width="2229" data-file-height="1516" /></a><figcaption>1) Kapsel; 2) Subkapsulær sinus; 3) Germinalt senter; 4) Nodulus; 5) Trabeklar</figcaption></figure> <p>Lymfeknutar er bønneforma og varierer i storleik frå eit par millimeter til om lag 1–2 cm i lengd.<sup id="cite_ref-grays_3-0" class="reference"><a href="#cite_note-grays-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Kvar lymfeknut er omgjeve av ein fibrøs kapsel som strekker seg inn i lymfeknuten for å danne trabeklar (små porer). Substansen i lymfeknutar er delt inn i ein ytre <a href="/wiki/Korteks_i_anatomi" title="Korteks i anatomi">korteks</a> og ein indre <a href="/w/index.php?title=Medulla_i_anatomi&action=edit&redlink=1" class="new" title="Medulla i anatomi (sida finst ikkje)">medulla</a>. Korteks strekker seg kontinuerleg rundt medulla med unntak av ved <b>hilum</b>, der medulla har direkte kontakt med hilum.<sup id="cite_ref-grays_3-1" class="reference"><a href="#cite_note-grays-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Tynne <a href="/w/index.php?title=Retikul%C3%A6rt_fiber&action=edit&redlink=1" class="new" title="Retikulært fiber (sida finst ikkje)">retikulære fibrar</a> og <a href="/w/index.php?title=Elastin&action=edit&redlink=1" class="new" title="Elastin (sida finst ikkje)">elastin</a> formar eit støtteverk kalla eit <i>retikulært nettverk</i> på innsida av knuten. <a href="/wiki/Kvit_blodlekam" title="Kvit blodlekam">Kvite blodlekamar</a> (leukocyttar), i hovudsak <a href="/w/index.php?title=Lymfocytt&action=edit&redlink=1" class="new" title="Lymfocytt (sida finst ikkje)">lymfocyttar</a>, er tettpakka inni folliklane (<a href="/w/index.php?title=B-celle&action=edit&redlink=1" class="new" title="B-celle (sida finst ikkje)">B-celler</a>) og i korteks (<a href="/w/index.php?title=T-celle&action=edit&redlink=1" class="new" title="T-celle (sida finst ikkje)">T-celler</a>). Elles i knuten er det sporadisk utbreidde leukocyttar. Retikkelverket gjev strukturell støtte og dannar ei festeflate for <a href="/w/index.php?title=Dentrittisk_celle&action=edit&redlink=1" class="new" title="Dentrittisk celle (sida finst ikkje)">dendrittiske celler</a>, <a href="/wiki/Makrofag" title="Makrofag">makrofagar</a> og lymfocyttar. Den opnar for vekslinga av stoff mellom blodet gjennom <a href="/w/index.php?title=H%C3%B8gendotelvenyle&action=edit&redlink=1" class="new" title="Høgendotelvenyle (sida finst ikkje)">høgendotelvenylar</a> og forsyner vekst- og regulasjonsfaktorar for aktivering og modning av immunceller.<sup id="cite_ref-kaldjian_4-0" class="reference"><a href="#cite_note-kaldjian-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Talet på og samansetnaden av folliklar kan endre seg når dei utviklar <a href="/w/index.php?title=Germinalt_senter&action=edit&redlink=1" class="new" title="Germinalt senter (sida finst ikkje)">germinale senter</a>, særleg ved utfordring frå <a href="/wiki/Antigen" title="Antigen">antigen</a>.<sup id="cite_ref-grays_3-2" class="reference"><a href="#cite_note-grays-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fil:Lymph_node_histology.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Lymph_node_histology.jpg/200px-Lymph_node_histology.jpg" decoding="async" width="200" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Lymph_node_histology.jpg/300px-Lymph_node_histology.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Lymph_node_histology.jpg/400px-Lymph_node_histology.jpg 2x" data-file-width="1024" data-file-height="768" /></a><figcaption>Histologien av ein lymfeknut</figcaption></figure> <p>Lymfe strøymer inn i den konvekse sida av lymfeknuten gjennom fleire afferente lymfeårer og vidare til sinusane. Ein lymfesinus, inkludert <i>subkapsulær sinus</i>, er ein kanal inni knuten trekt med endotelceller og fibroblastiske retikulære celler som glattar kanalen slik at lymfe kan renne gjennom. Endotelet i den subkapsulære sinusen er kontinuerleg med endotelet i den afferente lymfeåra og med endotelet i liknande sinusar som flankerar trabeklane og innsida av korteks. Alle desse sinusane tappar filtrert lymfevæske inn i dei <b>medullære sinusane</b>, der lymfen flyt vidare til dei efferente lymfeårene og ut av lymfeknuten ved hilum på den konkave sida. Desse årene er mindre og hindrar makrofagar frå å tappast ut av knuten, sidan desse trengst på innsida. I laupet av lymfesirkulasjonen hendar det at lymfocyttar blir aktiverte som ein del av den <a href="/wiki/Erverva_immunitet" class="mw-redirect" title="Erverva immunitet">tileigna immunresponsen</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Kapsel">Kapsel</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=2" title="Endre bolk: Kapsel" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=2" title="Rediger kildekoden til seksjonen Kapsel"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Fil:Gray598.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Gray598.png/220px-Gray598.png" decoding="async" width="220" height="162" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Gray598.png/330px-Gray598.png 1.5x, //upload.wikimedia.org/wikipedia/commons/b/b3/Gray598.png 2x" data-file-width="400" data-file-height="295" /></a><figcaption>Lymfeknutevev med trabeklar</figcaption></figure> <p><b>Lymfeknutekapselen</b> er samansett av kompakt, uregelmessig bindevev blanda med noko muskelfiber, og frå den indre overflata oppstår det ei rekkje membranøse apofysar eller trabeklar samansett av bindevev blanda med muskelfiber. Dei går innover og strålar mot senteret av knuten, om lag ein tredel eller ein fjerdedel av rommet mellom omkrinsen og senteret av knuten. I nokre dyr er desse veldig markerte og visar skillet mellom dei perifere og kortikale delane av knuten som små kammer (folliklar), men dette er ikkje like synleg hjå menneske. Dei store trabeklane spirar frå kapselen og delar seg i fleire fine band som flettar seg for å danne eit nettverk i den sentrale eller medullære delen av knuten. I områda med fletta trabeklar finn ein det lymfatiske vevet. Pulpaen fyllar ikkje dette området i like stor grad, men forlét mellom den ytre marginen og den omsluttande trabekelen, ein kanal som er like brei heile vegen. Denne kanalen blir kalla subkapsulær sinus. Over denne kryssar fleire fine trabeklar av <a href="/w/index.php?title=Retikul%C3%A6rt_bindevev&action=edit&redlink=1" class="new" title="Retikulært bindevev (sida finst ikkje)">retikulært bindevev</a> med fibrar dekt av forgreina celler. </p> <figure typeof="mw:File/Thumb"><a href="/wiki/Fil:Illu_lymph_node_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Illu_lymph_node_structure.png/300px-Illu_lymph_node_structure.png" decoding="async" width="300" height="171" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Illu_lymph_node_structure.png/450px-Illu_lymph_node_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/b/b8/Illu_lymph_node_structure.png 2x" data-file-width="465" data-file-height="265" /></a><figcaption>Afferente og efferente lymfeårer</figcaption></figure> <div class="mw-heading mw-heading4"><h4 id="Subkapsulær_sinus"><span id="Subkapsul.C3.A6r_sinus"></span>Subkapsulær sinus</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=3" title="Endre bolk: Subkapsulær sinus" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=3" title="Rediger kildekoden til seksjonen Subkapsulær sinus"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><b>Subkapsulær sinus</b> («lymfevegen» eller lymfesinus) er rommet mellom kapselen og korteks.<sup id="cite_ref-urlDefinition:_cortex_of_lymph_node_from_Online_Medical_Dictionary_5-0" class="reference"><a href="#cite_note-urlDefinition:_cortex_of_lymph_node_from_Online_Medical_Dictionary-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> Den opnar for fri rørsle av <a href="/w/index.php?title=Lymfev%C3%A6ske&action=edit&redlink=1" class="new" title="Lymfevæske (sida finst ikkje)">lymfevæske</a>, og er difor fylt av lymfocyttar. Den er kontinuerleg med dei andre lymfesinusane som flankerar trabeklane.<sup id="cite_ref-grays_3-3" class="reference"><a href="#cite_note-grays-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Lymfeknuten inneheld lymfatisk vev, eit nettverk av fiber kalla <i>reticulum</i> med innvikla <a href="/wiki/Kvit_blodlekam" title="Kvit blodlekam">kvite blodlekamar</a>. Regionane med få celler blir kalla <i>lymfesinus</i>. Dei er trekt med <a href="/w/index.php?title=Retikul%C3%A6r_celle&action=edit&redlink=1" class="new" title="Retikulær celle (sida finst ikkje)">retikulære celler</a>, <a href="/w/index.php?title=Fibroblast&action=edit&redlink=1" class="new" title="Fibroblast (sida finst ikkje)">fibroblastar</a> og urørlege <a href="/wiki/Makrofag" title="Makrofag">makrofagar</a>.<sup id="cite_ref-grays_3-4" class="reference"><a href="#cite_note-grays-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Subkapsulær sinus har klinisk relevans fordi det oftast er her ein finn dei tidlege manifestasjonane på metastatisk karsinom i lymfeknutar. </p> <div class="mw-heading mw-heading3"><h3 id="Korteks">Korteks</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=4" title="Endre bolk: Korteks" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=4" title="Rediger kildekoden til seksjonen Korteks"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Diagram_of_a_lymph_node_CRUK_022.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Diagram_of_a_lymph_node_CRUK_022.svg/220px-Diagram_of_a_lymph_node_CRUK_022.svg.png" decoding="async" width="220" height="180" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/48/Diagram_of_a_lymph_node_CRUK_022.svg/330px-Diagram_of_a_lymph_node_CRUK_022.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/48/Diagram_of_a_lymph_node_CRUK_022.svg/440px-Diagram_of_a_lymph_node_CRUK_022.svg.png 2x" data-file-width="375" data-file-height="306" /></a><figcaption>Diagram av ein lymfeknut</figcaption></figure> <p>Korteks er den perifere delen under kapsen og subkapsulær sinus. Subkapsulær sinus tappar lymfe til <a href="/w/index.php?title=Trabekul%C3%A6r_sinus&action=edit&redlink=1" class="new" title="Trabekulær sinus (sida finst ikkje)">trabekulære sinusar</a> før lymfen renn inn i dei medullære sinusane. </p><p>Den ytre korteks er i hovudsak samansett av <a href="/w/index.php?title=B-celle&action=edit&redlink=1" class="new" title="B-celle (sida finst ikkje)">B-celler</a>, arrangert som folliklar, som kan utvikle eit germinalt senter ved møte på eit antigen. Den djupe korteks er i hovudsak samansett av <a href="/w/index.php?title=T-celle&action=edit&redlink=1" class="new" title="T-celle (sida finst ikkje)">T-celler</a>. Det finst òg eit område kjent som det subkortikale området, der T-celler (og andre raude celler) samhandlar med dendrittiske celler. Det retikulære nettverket er veldig kompakt i dette området. Området som hovudsakleg inneheld T-celler og aksessoriske celler er òg kjent som <i>parakorteks</i>.<sup id="cite_ref-katakai_6-0" class="reference"><a href="#cite_note-katakai-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Medulla">Medulla</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=5" title="Endre bolk: Medulla" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=5" title="Rediger kildekoden til seksjonen Medulla"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Medulla inneheld store blodårer og sinusar som inneheld antistoff-utskiljande celler. </p><p>Dei <b>medullære kordene</b> er korder av lymfatisk vev som inneheld <a href="/w/index.php?title=Plasmacelle&action=edit&redlink=1" class="new" title="Plasmacelle (sida finst ikkje)">plasmaceller</a>, <a href="/wiki/Makrofag" title="Makrofag">makrofagar</a> og <a href="/w/index.php?title=B-celle&action=edit&redlink=1" class="new" title="B-celle (sida finst ikkje)">B-celler</a>. Dei <b>medullære sinusane</b> (eller <i>sinusoidane</i>) er åreliknande rom som skil kordene frå einannan. Lymfe strøymer inn i dei medullære sinusane frå kortikale sinusar og vidare inn i <a href="/w/index.php?title=Lymfe%C3%A5re&action=edit&redlink=1" class="new" title="Lymfeåre (sida finst ikkje)">efferente lymfeårer</a>. Medullære sinusar inneheld <a href="/w/index.php?title=Histiocytt&action=edit&redlink=1" class="new" title="Histiocytt (sida finst ikkje)">histiocyttar</a> (urørlege makrofagar) og retikulære celler. </p> <div class="mw-heading mw-heading2"><h2 id="Funksjon">Funksjon</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=6" title="Endre bolk: Funksjon" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=6" title="Rediger kildekoden til seksjonen Funksjon"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Lymph_nodes_illustration.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/Lymph_nodes_illustration.jpg/220px-Lymph_nodes_illustration.jpg" decoding="async" width="220" height="275" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c0/Lymph_nodes_illustration.jpg/330px-Lymph_nodes_illustration.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c0/Lymph_nodes_illustration.jpg/440px-Lymph_nodes_illustration.jpg 2x" data-file-width="1800" data-file-height="2246" /></a><figcaption>Ein finn klasar av lymfeknutar under armane, i lysken, nakken og magen</figcaption></figure> <div class="utdjupande-artikkel" style="padding-left:2em; font-style: italic;"> <p>Utdjupande artikkel for dette emnet er <a href="/wiki/Lymfesystem" title="Lymfesystem">Lymfesystem</a>. </p> </div> <p><a href="/w/index.php?title=Lymfe&action=edit&redlink=1" class="new" title="Lymfe (sida finst ikkje)">Lymfevæska</a> inni lymfeknutane inneheld <a href="/w/index.php?title=Lymfocytt&action=edit&redlink=1" class="new" title="Lymfocytt (sida finst ikkje)">lymfocyttar</a>, eit slag av <a href="/wiki/Kvit_blodlekam" title="Kvit blodlekam">kvite blodlekamar</a>, som heile tida sirkulerar gjennom lymfeknutane og <a href="/wiki/Kretsl%C3%B8pssystemet" class="mw-redirect" title="Kretsløpssystemet">blodstraumen</a>. Molekyl som finst på celleveggen hjå <a href="/wiki/Bakterie" class="mw-redirect" title="Bakterie">bakteriar</a>, eller stoff som dei skil ut, kalla <a href="/wiki/Antigen" title="Antigen">antigen</a>, kan bli tekne inn i lymfesystemet av dediserte antigenpresenterande celler som til dømes <a href="/w/index.php?title=Dendrittisk_celle&action=edit&redlink=1" class="new" title="Dendrittisk celle (sida finst ikkje)">dendrittiske celler</a> og vidare inn i lymfeknutane. I respons til antigena vil lymfocyttar i lymfeknuten danne antistoff som går ut av lymfeknuten og vidare ut i sirkulasjonen for å søke og merke patogenet som dannar antigena. Når dei er merkte vil andre celler og komplement destruere patogenet. </p><p>Lymfe sirkulerar til lymfeknuten gjennom <i><a href="/w/index.php?title=Lymfe%C3%A5re&action=edit&redlink=1" class="new" title="Lymfeåre (sida finst ikkje)">afferente lymfeårer</a></i> og blir tappa inn i knuten under kapselen i eit rom kalla subkapsulær sinus. Subkapsulær sinus tappar den vidare inn i dei trabekulære sinusane og vidare inn i dei medullære sinusane. Sinusrommet er forma på kryss og tvers av <a href="/w/index.php?title=Pseudopodie&action=edit&redlink=1" class="new" title="Pseudopodie (sida finst ikkje)">pseudopodiar</a> av <a href="/wiki/Makrofag" title="Makrofag">makrofagar</a>, som verkar ved å fange framandpartiklar og filtrere lymfen. Dei medullære sinusane konvergerar ved hilum, der lymfen går ut av lymfeknuten gjennom den <i><a href="/w/index.php?title=Lymfe%C3%A5re&action=edit&redlink=1" class="new" title="Lymfeåre (sida finst ikkje)">efferente lymfeåra</a></i> mot ein meir sentral lymfeknut, eller for å tappast gjennom ei sentral <a href="/w/index.php?title=Kragebeinsvene&action=edit&redlink=1" class="new" title="Kragebeinsvene (sida finst ikkje)">kragebeinsvene</a>, i hovudsak gjennom postkapillære <a href="/w/index.php?title=Venyle&action=edit&redlink=1" class="new" title="Venyle (sida finst ikkje)">venylar</a>, der den kryssar veggen i ein prosess kalla <a href="/w/index.php?title=Diapedese&action=edit&redlink=1" class="new" title="Diapedese (sida finst ikkje)">diapedese</a>. </p> <ul><li>B-cellene migrerar til nodulær korteks og medulla.</li> <li>T-cellene migrerar til den djupe korteks. Dette er ein region i lymfeknuten kalla <b>parakorteks</b> som omgjev medulla. Til skilnad frå korteks, som i hovudsak inneheld umodne T-celler, eller <a href="/w/index.php?title=Thymocytt&action=edit&redlink=1" class="new" title="Thymocytt (sida finst ikkje)">thymocyttar</a>, så har parakorteks ei blanding av umodne og modne T-celler. Lymfocyttar kjem inn i lymfeknutar gjennom spesialiserte høgendotelvenylar som finst i parakorteks.</li></ul> <p>Når ein lymfocytt kjennar att eit antigen, blir B-celler aktiverte og reiser til dei <a href="/w/index.php?title=Germinalt_senter&action=edit&redlink=1" class="new" title="Germinalt senter (sida finst ikkje)">germinale sentra</a> (per definisjon finn ein germinale senter i «sekundære nodular», men ikkje i «primære nudlar»). Når antistoffproduserande plasmaceller blir danna, reiser dei til dei medullære kordene. Antigen si stimulering av lymfocyttar kan akselerera migrasjonsprosessen 10 gangar over normalt, noko som fører til hovne lymfeknutar. </p><p><a href="/wiki/Milt" title="Milt">Milten</a> og <a href="/wiki/Tonsill" title="Tonsill">mandlane</a> er store lymfoide organ som verkar på same måte som lymfeknutar, men milten filtrerar <a href="/wiki/Blod" title="Blod">blod</a> i staden for lymfe. </p> <div class="mw-heading mw-heading2"><h2 id="Klinisk_relevans">Klinisk relevans</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=7" title="Endre bolk: Klinisk relevans" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=7" title="Rediger kildekoden til seksjonen Klinisk relevans"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Fil:Crc_met_to_node1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Crc_met_to_node1.jpg/220px-Crc_met_to_node1.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Crc_met_to_node1.jpg/330px-Crc_met_to_node1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Crc_met_to_node1.jpg/440px-Crc_met_to_node1.jpg 2x" data-file-width="2048" data-file-height="1536" /></a><figcaption><a href="/wiki/Mikroskop" title="Mikroskop">Mikroskopibilete</a> av ein <a href="/w/index.php?title=Tarmkr%C3%B8s&action=edit&redlink=1" class="new" title="Tarmkrøs (sida finst ikkje)">mesenterisk</a> lymfeknut med <a href="/w/index.php?title=Adenokarsinom&action=edit&redlink=1" class="new" title="Adenokarsinom (sida finst ikkje)">adenokarsinom</a></figcaption></figure> <div class="utdjupande-artikkel" style="padding-left:2em; font-style: italic;"> <p>Utdjupande artiklar for dette emnet er <a href="/w/index.php?title=Lymfadenopati&action=edit&redlink=1" class="new" title="Lymfadenopati (sida finst ikkje)">Lymfadenopati</a> og <a href="/w/index.php?title=Lymf%C3%B8dem&action=edit&redlink=1" class="new" title="Lymfødem (sida finst ikkje)">Lymfødem</a>. </p> </div> <p>Lymfeknutar kan bli svolne som følgje av <a href="/wiki/Infeksjon" title="Infeksjon">infeksjon</a> eller <a href="/wiki/Svulst" class="mw-redirect" title="Svulst">svulst</a>, og betente som følgje av <a href="/wiki/Leukemi" title="Leukemi">leukemi</a>. Den auka storleiken skuldast i hovudsak auka trafikk av lymfocyttar som kjem inn i knuten frå blodet, som overstig utstrauminga. Dei kan òg bli forstørra som følgje av aktivering og proliferasjon av antigenspesifikke T- og B-celler (klonal ekspansjon). Av og til kan dei vere svolne ved fråvær av infeksjon, ofte grunna ein tidlegare infeksjon. </p><p><b><a href="/w/index.php?title=Lymfadenopati&action=edit&redlink=1" class="new" title="Lymfadenopati (sida finst ikkje)">Lymfadenopati</a></b> er eit omgrep som tydar «sjukdom i lymfeknutane». Det er likevel nesten synonymt med «hovne eller forstørra lymfeknutar». I desse tilfella er lymfeknutane lette å kjenne ved berøring (<a href="/w/index.php?title=Palpasjon&action=edit&redlink=1" class="new" title="Palpasjon (sida finst ikkje)">palpable</a>; dette er eit teikn på ulike infeksjonar og sjukdommar. </p><p><b><a href="/w/index.php?title=Lymf%C3%B8dem&action=edit&redlink=1" class="new" title="Lymfødem (sida finst ikkje)">Lymfødem</a></b> er ein nokså omfattande tilstand som fører til lokalisert væskeretensjon og vevsheving. Dei påverka veva står i fare for å bli infiserte. Primær lymfødem skuldast vanlegvis dårleg utvikla eller manglande lymfeknutar. Sekundær lymfødem skuldast vanlegvis disseksjon av lymfeknutar som følgje av <a href="/w/index.php?title=Brystkreft&action=edit&redlink=1" class="new" title="Brystkreft (sida finst ikkje)">brystkreftsoperasjon</a> eller andre strålingsbehandlingar. </p> <div class="mw-heading mw-heading2"><h2 id="Fleire_bilete">Fleire bilete</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=8" title="Endre bolk: Fleire bilete" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=8" title="Rediger kildekoden til seksjonen Fleire bilete"><span>endre wikiteksten</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/Fil:Illu_lymphatic_system.jpg" class="mw-file-description" title="Lymfesystemet"><img alt="Lymfesystemet" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Illu_lymphatic_system.jpg/66px-Illu_lymphatic_system.jpg" decoding="async" width="66" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Illu_lymphatic_system.jpg/98px-Illu_lymphatic_system.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Illu_lymphatic_system.jpg/131px-Illu_lymphatic_system.jpg 2x" data-file-width="317" data-file-height="578" /></a></span></div> <div class="gallerytext">Lymfesystemet</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Fil:Gray597.png" class="mw-file-description" title="Tverrsnitt av ein liten lymfeknut frå ei kanin"><img alt="Tverrsnitt av ein liten lymfeknut frå ei kanin" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Gray597.png/120px-Gray597.png" decoding="async" width="120" height="85" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/68/Gray597.png/180px-Gray597.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/68/Gray597.png/240px-Gray597.png 2x" data-file-width="500" data-file-height="354" /></a></span></div> <div class="gallerytext">Tverrsnitt av ein liten lymfeknut frå ei kanin</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Fil:Gray606.png" class="mw-file-description" title="Lymfekar i armen"><img alt="Lymfekar i armen" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Gray606.png/103px-Gray606.png" decoding="async" width="103" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Gray606.png/154px-Gray606.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Gray606.png/205px-Gray606.png 2x" data-file-width="500" data-file-height="584" /></a></span></div> <div class="gallerytext">Lymfekar i armen</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Fil:Gray607.png" class="mw-file-description" title="Lymfekar i armholeregionen"><img alt="Lymfekar i armholeregionen" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Gray607.png/120px-Gray607.png" decoding="async" width="120" height="93" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Gray607.png/180px-Gray607.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Gray607.png/240px-Gray607.png 2x" data-file-width="600" data-file-height="467" /></a></span></div> <div class="gallerytext">Lymfekar i armholeregionen</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Fil:Normal_Lymph_Node_(5610754370).jpg" class="mw-file-description" title="Lymfeknut henta frå kolektomi"><img alt="Lymfeknut henta frå kolektomi" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Normal_Lymph_Node_%285610754370%29.jpg/120px-Normal_Lymph_Node_%285610754370%29.jpg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Normal_Lymph_Node_%285610754370%29.jpg/180px-Normal_Lymph_Node_%285610754370%29.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6a/Normal_Lymph_Node_%285610754370%29.jpg/240px-Normal_Lymph_Node_%285610754370%29.jpg 2x" data-file-width="2048" data-file-height="1536" /></a></span></div> <div class="gallerytext">Lymfeknut henta frå kolektomi</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="Sjå_òg"><span id="Sj.C3.A5_.C3.B2g"></span>Sjå òg</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=9" title="Endre bolk: Sjå òg" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=9" title="Rediger kildekoden til seksjonen Sjå òg"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=Korteks&action=edit&redlink=1" class="new" title="Korteks (sida finst ikkje)">korteks</a></li> <li><a href="/w/index.php?title=Trakeobonkiale_lymfeknutar&action=edit&redlink=1" class="new" title="Trakeobonkiale lymfeknutar (sida finst ikkje)">trakeobonkiale lymfeknutar</a></li> <li><a href="/w/index.php?title=Peyers_plakk&action=edit&redlink=1" class="new" title="Peyers plakk (sida finst ikkje)">Peyers plakk</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Kjelder">Kjelder</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=10" title="Endre bolk: Kjelder" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=10" title="Rediger kildekoden til seksjonen Kjelder"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="references-small"> <ol class="references"> <li id="cite_note-sml1-1"><span class="mw-cite-backlink"><a href="#cite_ref-sml1_1-0">↑</a></span> <span class="reference-text"><cite class="citation web">Fossum, Sigbjørn (13. februar 2009). <a rel="nofollow" class="external text" href="https://sml.snl.no/lymfeknute">«lymfeknute»</a>. Store medisinske leksikon<span class="reference-accessdate">. Henta 23. februar 2015</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3ALymfeknut&rft.aufirst=Sigbj%C3%B8rn&rft.aulast=Fossum&rft.btitle=lymfeknute&rft.genre=unknown&rft.pub=Store+medisinske+leksikon&rft_id=https%3A%2F%2Fsml.snl.no%2Flymfeknute&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://children.webmd.com/tc/swollen-glands-and-other-lumps-under-the-skin-topic-overview">«Swollen Glands and Other Lumps Under the Skin-Topic Overview»</a>. Children.webmd.com. 14. april 2011<span class="reference-accessdate">. Henta 28. februar 2014</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3ALymfeknut&rft.btitle=Swollen+Glands+and+Other+Lumps+Under+the+Skin-Topic+Overview&rft.genre=unknown&rft.pub=Children.webmd.com&rft_id=http%3A%2F%2Fchildren.webmd.com%2Ftc%2Fswollen-glands-and-other-lumps-under-the-skin-topic-overview&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-grays-3"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-grays_3-0">3,0</a></sup> <sup><a href="#cite_ref-grays_3-1">3,1</a></sup> <sup><a href="#cite_ref-grays_3-2">3,2</a></sup> <sup><a href="#cite_ref-grays_3-3">3,3</a></sup> <sup><a href="#cite_ref-grays_3-4">3,4</a></sup></span> <span class="reference-text"><cite class="citation book">Warwick, Roger; Peter L. Williams (1973) [1858]. «Angiology (Chapter 6)». <i>Gray's anatomy</i>. illustrated by Richard E. M. Moore (35. utg.). London: Longman. s. 588–785.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3ALymfeknut&rft.atitle=Angiology+%28Chapter+6%29&rft.au=Peter+L.+Williams&rft.aufirst=Roger&rft.aulast=Warwick&rft.btitle=Gray%27s+anatomy&rft.date=1973&rft.edition=35.&rft.genre=bookitem&rft.pages=588-785&rft.place=London&rft.pub=Longman&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-kaldjian-4"><span class="mw-cite-backlink"><a href="#cite_ref-kaldjian_4-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Kaldjian, Eric P.; J. Elizabeth Gretz; Arthur O. Anderson; Yinghui Shi; Stephen Shaw (Oktober 2001). <a rel="nofollow" class="external text" href="http://intimm.oxfordjournals.org/cgi/content/full/13/10/1243">«Spatial and molecular organization of lymph node T cell cortex: a labyrinthine cavity bounded by an epithelium-like monolayer of fibroblastic reticular cells anchored to basement membrane-like extracellular matrix»</a>. <i>International Immunology</i> (Oxford Journals) <b>13</b> (10): 1243–1253<span class="reference-accessdate">. Henta 11. juli 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3ALymfeknut&rft.atitle=Spatial+and+molecular+organization+of+lymph+node+T+cell+cortex%3A+a+labyrinthine+cavity+bounded+by+an+epithelium-like+monolayer+of+fibroblastic+reticular+cells+anchored+to+basement+membrane-like+extracellular+matrix&rft.au=Arthur+O.+Anderson&rft.au=J.+Elizabeth+Gretz&rft.au=Stephen+Shaw&rft.au=Yinghui+Shi&rft.aufirst=Eric+P.&rft.aulast=Kaldjian&rft.chron=Oktober+2001&rft.genre=article&rft.issue=10&rft.jtitle=International+Immunology&rft.pages=1243-1253&rft.volume=13&rft_id=http%3A%2F%2Fintimm.oxfordjournals.org%2Fcgi%2Fcontent%2Ffull%2F13%2F10%2F1243&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-urlDefinition:_cortex_of_lymph_node_from_Online_Medical_Dictionary-5"><span class="mw-cite-backlink"><a href="#cite_ref-urlDefinition:_cortex_of_lymph_node_from_Online_Medical_Dictionary_5-0">↑</a></span> <span class="reference-text"><cite class="citation web"><a rel="nofollow" class="external text" href="http://cancerweb.ncl.ac.uk/cgi-bin/omd?cortex+of+lymph+node">«Definition: cortex of lymph node from Online Medical Dictionary»</a><span class="reference-accessdate">. Henta 19. oktober 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3ALymfeknut&rft.btitle=Definition%3A+cortex+of+lymph+node+from+Online+Medical+Dictionary&rft.genre=unknown&rft_id=http%3A%2F%2Fcancerweb.ncl.ac.uk%2Fcgi-bin%2Fomd%3Fcortex%2Bof%2Blymph%2Bnode&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook" class="Z3988"><span style="display:none;"> </span></span></span> </li> <li id="cite_note-katakai-6"><span class="mw-cite-backlink"><a href="#cite_ref-katakai_6-0">↑</a></span> <span class="reference-text"><cite class="citation journal">Katakai, Tomoya; Takahiro Hara; Hiroyuki Gonda1; Manabu Sugai; Akira Shimizu (5. juli 2004). <a rel="nofollow" class="external text" href="http://intimm.oxfordjournals.org/cgi/content/full/16/8/1133">«A novel reticular stromal structure in lymph node cortex: an immuno-platform for interactions among dendritic cells, T cells and B cells»</a>. <i>International Immunology</i> <b>16</b> (8): 1133–1142<span class="reference-accessdate">. Henta 11. juli 2008</span>.</cite><span title="ctx_ver=Z39.88-2004&rfr_id=info%3Asid%2Fnn.wikipedia.org%3ALymfeknut&rft.atitle=A+novel+reticular+stromal+structure+in+lymph+node+cortex%3A+an+immuno-platform+for+interactions+among+dendritic+cells%2C+T+cells+and+B+cells&rft.au=Akira+Shimizu&rft.au=Hiroyuki+Gonda1&rft.au=Manabu+Sugai&rft.au=Takahiro+Hara&rft.aufirst=Tomoya&rft.aulast=Katakai&rft.chron=5.+juli+2004&rft.genre=article&rft.issue=8&rft.jtitle=International+Immunology&rft.pages=1133-1142&rft.volume=16&rft_id=http%3A%2F%2Fintimm.oxfordjournals.org%2Fcgi%2Fcontent%2Ffull%2F16%2F8%2F1133&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal" class="Z3988"><span style="display:none;"> </span></span></span> </li> </ol> <hr /> <ul><li><i>Denne artikkelen bygger på «<a href="https://en.wikipedia.org/wiki/Lymph_node" class="extiw" title="en:Lymph node">Lymph node</a>» frå <a href="https://en.wikipedia.org/wiki/Main_Page" class="extiw" title="en:Main Page">Wikipedia på engelsk</a>, den 23. februar 2015.</i></li></ul> </div> <div class="mw-heading mw-heading2"><h2 id="Bakgrunnsstoff">Bakgrunnsstoff</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lymfeknut&veaction=edit&section=11" title="Endre bolk: Bakgrunnsstoff" class="mw-editsection-visualeditor"><span>endre</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lymfeknut&action=edit&section=11" title="Rediger kildekoden til seksjonen Bakgrunnsstoff"><span>endre wikiteksten</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="interbox"> <div style="display: table-cell; vertical-align: middle;"><span typeof="mw:File"><span><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/15px-Commons-logo.svg.png" decoding="async" width="15" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/23px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span> <a href="/wiki/Wikimedia_Commons" title="Wikimedia Commons">Commons</a> har multimedium som gjeld: <b><a href="https://commons.wikimedia.org/wiki/Category:Lymph_nodes" class="extiw" title="commons:Category:Lymph nodes">Lymfeknut</a></b> </div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Henta frå «<a dir="ltr" href="https://nn.wikipedia.org/w/index.php?title=Lymfeknut&oldid=3488712">https://nn.wikipedia.org/w/index.php?title=Lymfeknut&oldid=3488712</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Kategori:Kategoriar" title="Kategori:Kategoriar">Kategoriar</a>: <ul><li><a href="/wiki/Kategori:Lymfesystemet" title="Kategori:Lymfesystemet">Lymfesystemet</a></li><li><a href="/wiki/Kategori:Lymfatiske_organ" title="Kategori:Lymfatiske organ">Lymfatiske organ</a></li><li><a href="/wiki/Kategori:Utvalde_artiklar_2023" title="Kategori:Utvalde artiklar 2023">Utvalde artiklar 2023</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Denne sida vart sist endra den 19. juni 2023 kl. 07:09.</li> <li id="footer-info-copyright">All tekst er tilgjengeleg under <a rel="nofollow" class="external text" href="http://creativecommons.org/licenses/by-sa/4.0/deed.no">Creative Commons-lisensen Namngjeving/Del på same vilkåra</a>. 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