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class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-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="Indice" 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="Mostra/Nascondi l'indice" > <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">Mostra/Nascondi l'indice</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">Fibre afferenti</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="Vai a una voce in un'altra lingua. Disponibile in 19 lingue" > <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-19" 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">19 lingue</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%B9%D8%B5%D8%A8%D9%88%D9%86_%D9%88%D8%A7%D8%B1%D8%AF" title="عصبون وارد - arabo" lang="ar" hreflang="ar" data-title="عصبون وارد" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D1%84%D0%B5%D1%80%D1%8D%D0%BD%D1%82%D0%B0%D1%86%D1%8B%D1%8F" title="Аферэнтацыя - bielorusso" lang="be" hreflang="be" data-title="Аферэнтацыя" data-language-autonym="Беларуская" data-language-local-name="bielorusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Uzlazno_nervno_vlakno" title="Uzlazno nervno vlakno - bosniaco" lang="bs" hreflang="bs" data-title="Uzlazno nervno vlakno" data-language-autonym="Bosanski" data-language-local-name="bosniaco" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Aferentn%C3%AD_nerv" title="Aferentní nerv - ceco" lang="cs" hreflang="cs" data-title="Aferentní nerv" data-language-autonym="Čeština" data-language-local-name="ceco" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Afferente_nervefibre" title="Afferente nervefibre - danese" lang="da" hreflang="da" data-title="Afferente nervefibre" data-language-autonym="Dansk" data-language-local-name="danese" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Afferent_nerve_fiber" title="Afferent nerve fiber - inglese" lang="en" hreflang="en" data-title="Afferent nerve fiber" data-language-autonym="English" data-language-local-name="inglese" 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/Neurona_aferente" title="Neurona aferente - spagnolo" lang="es" hreflang="es" data-title="Neurona aferente" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D9%84%DB%8C%D8%A7%D9%81_%D8%B9%D8%B5%D8%A8%DB%8C_%D8%A2%D9%88%D8%B1%D8%A7%D9%86" title="الیاف عصبی آوران - persiano" lang="fa" hreflang="fa" data-title="الیاف عصبی آوران" data-language-autonym="فارسی" data-language-local-name="persiano" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9E%D1%80%D1%82%D0%B0%D0%BB%D1%8B%D2%9B%D2%9B%D0%B0_%D1%82%D0%B5%D0%BF%D0%BA%D1%96%D1%88_%D0%B6%D2%AF%D0%B9%D0%BA%D0%B5_%D1%82%D0%B0%D0%BB%D1%88%D1%8B%D2%93%D1%8B" title="Орталыққа тепкіш жүйке талшығы - kazako" lang="kk" hreflang="kk" data-title="Орталыққа тепкіш жүйке талшығы" data-language-autonym="Қазақша" data-language-local-name="kazako" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%93%A4%EC%8B%A0%EA%B2%BD%EC%84%AC%EC%9C%A0" title="들신경섬유 - coreano" lang="ko" hreflang="ko" data-title="들신경섬유" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Sensorinis_neuronas" title="Sensorinis neuronas - lituano" lang="lt" hreflang="lt" data-title="Sensorinis neuronas" data-language-autonym="Lietuvių" data-language-local-name="lituano" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Afferent_nerve" title="Afferent nerve - norvegese bokmål" lang="nb" hreflang="nb" data-title="Afferent nerve" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%90%D1%84%D1%84%D0%B5%D1%80%D0%B5%D0%BD%D1%82%D0%B0%D1%86%D0%B8%D1%8F" title="Афферентация - russo" lang="ru" hreflang="ru" data-title="Афферентация" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Afferenta_nervbanor" title="Afferenta nervbanor - svedese" lang="sv" hreflang="sv" data-title="Afferenta nervbanor" data-language-autonym="Svenska" data-language-local-name="svedese" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%89%E0%AE%9F%E0%AF%8D%E0%AE%95%E0%AE%BE%E0%AE%B5%E0%AF%81%E0%AE%AE%E0%AF%8D_%E0%AE%A8%E0%AE%B0%E0%AE%AE%E0%AF%8D%E0%AE%AA%E0%AF%81" title="உட்காவும் நரம்பு - tamil" lang="ta" hreflang="ta" data-title="உட்காவும் நரம்பு" 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%B9%80%E0%B8%AA%E0%B9%89%E0%B8%99%E0%B9%83%E0%B8%A2%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%AA%E0%B8%B2%E0%B8%97%E0%B8%99%E0%B8%B3%E0%B9%80%E0%B8%82%E0%B9%89%E0%B8%B2" title="เส้นใยประสาทนำเข้า - thailandese" lang="th" hreflang="th" data-title="เส้นใยประสาทนำเข้า" data-language-autonym="ไทย" data-language-local-name="thailandese" 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/Getiren_sinir_lifleri" title="Getiren sinir lifleri - turco" lang="tr" hreflang="tr" data-title="Getiren sinir lifleri" data-language-autonym="Türkçe" data-language-local-name="turco" 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%90%D1%84%D0%B5%D1%80%D0%B5%D0%BD%D1%82%D0%BD%D0%B8%D0%B9_%D0%BD%D0%B5%D1%80%D0%B2" title="Аферентний нерв - ucraino" lang="uk" hreflang="uk" data-title="Аферентний нерв" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E4%BC%A0%E5%85%A5%E7%A5%9E%E7%BB%8F%E7%BA%A4%E7%BB%B4" title="传入神经纤维 - cinese" lang="zh" hreflang="zh" data-title="传入神经纤维" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet 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</ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambia versione linguistica" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">italiano</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visite"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Fibre_afferenti"><span>Leggi</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Fibre_afferenti&veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Fibre_afferenti&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Fibre_afferenti&action=history" title="Versioni precedenti di questa pagina [h]" accesskey="h"><span>Cronologia</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div 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data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Strumenti</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">nascondi</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Altre opzioni" > <div class="vector-menu-heading"> Azioni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Fibre_afferenti"><span>Leggi</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item 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id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/Fibre_afferenti" rel="nofollow" title="Elenco delle ultime modifiche alle pagine collegate a questa [k]" accesskey="k"><span>Modifiche correlate</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Speciale:PagineSpeciali" title="Elenco di tutte le pagine speciali [q]" accesskey="q"><span>Pagine speciali</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Fibre_afferenti&oldid=133706539" title="Collegamento permanente a questa versione di questa pagina"><span>Link permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Fibre_afferenti&action=info" title="Ulteriori informazioni su questa pagina"><span>Informazioni pagina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciale:Cita&page=Fibre_afferenti&id=133706539&wpFormIdentifier=titleform" title="Informazioni su come citare 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I contenuti hanno solo fine illustrativo e non sostituiscono il parere medico: <a href="/wiki/Wikipedia:Disclaimer_medico" title="Wikipedia:Disclaimer medico">leggi le avvertenze</a>.</span></div> </div> <style data-mw-deduplicate="TemplateStyles:r133964453">.mw-parser-output .avviso .mbox-text-div>div,.mw-parser-output .avviso .mbox-text-full-div>div{font-size:90%}.mw-parser-output .avviso .mbox-image{flex-basis:52px;flex-grow:0;flex-shrink:0}.mw-parser-output .avviso .mbox-text-full-div .hide-when-compact{display:block}</style><div style="" class="ambox metadata noprint plainlinks avviso avviso-generico"> <div class="avviso-immagine mbox-image noprint"><span typeof="mw:File"><a href="/wiki/File:Cerebral_lobes.png" class="mw-file-description" title="Abbozzo anatomia"><img alt="Abbozzo anatomia" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Cerebral_lobes.png/38px-Cerebral_lobes.png" decoding="async" width="38" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Cerebral_lobes.png/58px-Cerebral_lobes.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Cerebral_lobes.png/77px-Cerebral_lobes.png 2x" data-file-width="458" data-file-height="535" /></a></span></div> <div class="avviso-testo mbox-text"> <div class="mbox-text-div"><b>Questa voce  sull'argomento anatomia è solo un <a href="/wiki/Aiuto:Abbozzo" title="Aiuto:Abbozzo">abbozzo</a></b>.<br /> <div style="font-size:90%;"><a class="external text" href="https://it.wikipedia.org/w/index.php?title=Fibre_afferenti&action=edit">Contribuisci</a> a migliorarla secondo le <a href="/wiki/Aiuto:Manuale_di_stile" title="Aiuto:Manuale di stile">convenzioni di Wikipedia</a>. Segui i suggerimenti del <a href="/wiki/Progetto:Biologia" title="Progetto:Biologia">progetto di riferimento</a>.</div> <div class="hide-when-compact"> </div> </div> </div> </div> <p>Le <b>fibre afferenti</b> (o <b>nervi afferenti</b>, meno appropriato <b>nervi di senso</b><sup id="cite_ref-rm1_1-0" class="reference"><a href="#cite_note-rm1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>) sono fibre che portano gli <a href="/w/index.php?title=Impulsi_nervosi&action=edit&redlink=1" class="new" title="Impulsi nervosi (la pagina non esiste)">impulsi nervosi</a> dai <a href="/wiki/Recettore_sensoriale" class="mw-redirect" title="Recettore sensoriale">recettori sensoriali</a> che si trovano in periferia verso il <a href="/wiki/Sistema_nervoso_centrale" title="Sistema nervoso centrale">sistema nervoso centrale</a>. Il termine contrario ad afferente è <a href="/wiki/Fibre_efferenti" title="Fibre efferenti">efferente</a>. </p><p>Il contatto, o anche uno stimolo <a href="/wiki/Dolore" title="Dolore">doloroso</a>, ad esempio, viene percepito dal <a href="/wiki/Cervello" title="Cervello">cervello</a> solo dopo che le informazioni sono state trasmesse dai nervi afferenti. I <a href="/wiki/Neurone" title="Neurone">neuroni</a> afferenti, che li compongono, sono <a href="/wiki/Neurone_pseudounipolare" title="Neurone pseudounipolare">pseudounipolari</a> e comunicano fra loro per mezzo di un <a href="/wiki/Interneurone" title="Interneurone">interneurone</a>. Sono composti da un solo lungo <a href="/wiki/Dendrite_(biologia)" title="Dendrite (biologia)">dendrite</a>, un <a href="/wiki/Assone" title="Assone">assone</a> molto breve e un <a href="/wiki/Soma_(medicina)" class="mw-redirect" title="Soma (medicina)">soma</a> liscio e arrotondato. Il dendrite è strutturalmente e funzionalmente simile a un assone ed è <a href="/w/index.php?title=Mielinizzato&action=edit&redlink=1" class="new" title="Mielinizzato (la pagina non esiste)">mielinizzato</a>. A ridosso del <a href="/wiki/Midollo_spinale" title="Midollo spinale">midollo spinale</a>, migliaia di soma di neuroni afferenti si aggregano in un rigonfiamento noto come <a href="/wiki/Ganglio_dorsale" title="Ganglio dorsale">ganglio dorsale</a>. </p><p>Un numero particolarmente alto di recettori può essere rintracciato nella <a href="/wiki/Cute" class="mw-redirect" title="Cute">cute</a>, che presenta fra gli altri numerosi recettori del <a href="/wiki/Dolore" title="Dolore">dolore</a>.<sup id="cite_ref-rm1_1-1" class="reference"><a href="#cite_note-rm1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fibre_afferenti&veaction=edit&section=1" title="Modifica la sezione Note" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Fibre_afferenti&action=edit&section=1" title="Edit section's source code: Note"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-rm1-1"><span class="mw-cite-backlink"><b>^</b> <sup><i><a href="#cite_ref-rm1_1-0">a</a></i></sup> <sup><i><a href="#cite_ref-rm1_1-1">b</a></i></sup></span> <span class="reference-text"><cite class="citation web" style="font-style:normal"> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20081201161118/http://bioem.die.uniroma1.it/tesine/html/Tesina14/cap1.htm"><span style="font-style:italic;">Cenni sul sistema nervoso umano</span></a>, su <span style="font-style:italic;">bioem.die.uniroma1.it</span>. <small>URL consultato il 1º ottobre 2008</small> <small>(archiviato dall'<abbr title="http://bioem.die.uniroma1.it/tesine/html/Tesina14/cap1.htm">url originale</abbr> il 1º dicembre 2008)</small>.</cite></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fibre_afferenti&veaction=edit&section=2" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Fibre_afferenti&action=edit&section=2" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Sistema_nervoso" title="Sistema nervoso">Sistema nervoso</a></li> <li><a href="/wiki/Fibre_efferenti" title="Fibre efferenti">Fibre efferenti</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Fibre_afferenti&veaction=edit&section=3" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Fibre_afferenti&action=edit&section=3" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.britannica.com/science/afferent-nerve-fiber"><span style="font-style:italic;">afferent nerve fibre</span></a>, su <span style="font-style:italic;"><a href="/wiki/Enciclopedia_Britannica" title="Enciclopedia Britannica">Enciclopedia Britannica</a></span>, Encyclopædia Britannica, Inc.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q382417#P1417" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li></ul> <style data-mw-deduplicate="TemplateStyles:r141815314">.mw-parser-output .navbox{border:1px solid #aaa;clear:both;margin:auto;padding:2px;width:100%}.mw-parser-output .navbox th{padding-left:1em;padding-right:1em;text-align:center}.mw-parser-output .navbox>tbody>tr:first-child>th{background:#ccf;font-size:90%;width:100%;color:var(--color-base,black)}.mw-parser-output .navbox_navbar{float:left;margin:0;padding:0 10px 0 0;text-align:left;width:6em}.mw-parser-output .navbox_title{font-size:110%}.mw-parser-output .navbox_abovebelow{background:#ddf;font-size:90%;font-weight:normal}.mw-parser-output .navbox_group{background:#ddf;font-size:90%;padding:0 10px;white-space:nowrap}.mw-parser-output .navbox_list{font-size:90%;width:100%}.mw-parser-output .navbox_list a{white-space:nowrap}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_odd{background:#fdfdfd;color:var(--color-base,black)}html:not(.vector-feature-night-mode-enabled) .mw-parser-output .navbox_even{background:#f7f7f7;color:var(--color-base,black)}.mw-parser-output .navbox a.mw-selflink{color:var(--color-base,black)}.mw-parser-output .navbox_center{text-align:center}.mw-parser-output .navbox .navbox_image{padding-left:7px;vertical-align:middle;width:0}.mw-parser-output .navbox+.navbox{margin-top:-1px}.mw-parser-output .navbox .mw-collapsible-toggle{font-weight:normal;text-align:right;width:7em}body.skin--responsive .mw-parser-output .navbox_image img{max-width:none!important}.mw-parser-output .subnavbox{margin:-3px;width:100%}.mw-parser-output .subnavbox_group{background:#e6e6ff;padding:0 10px}@media screen{html.skin-theme-clientpref-night .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-night .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-night .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-night .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbox>tbody>tr:first-child>th{background:var(--background-color-interactive)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox th{color:var(--color-base)!important}html.skin-theme-clientpref-os .mw-parser-output .navbox_abovebelow,html.skin-theme-clientpref-os .mw-parser-output .navbox_group{background:var(--background-color-interactive-subtle)!important}html.skin-theme-clientpref-os .mw-parser-output .subnavbox_group{background:var(--background-color-neutral-subtle)!important}}</style><table class="navbox mw-collapsible mw-collapsed noprint metadata" id="navbox-Sistema_nervoso"><tbody><tr><th colspan="2"><div class="navbox_navbar"><div class="noprint plainlinks" style="background-color:transparent; padding:0; font-size:xx-small; color:var(--color-base, #000000); white-space:nowrap;"><a href="/wiki/Template:Sistema_nervoso" title="Template:Sistema nervoso"><span title="Vai alla pagina del template">V</span></a> · <a href="/w/index.php?title=Discussioni_template:Sistema_nervoso&action=edit&redlink=1" class="new" title="Discussioni template:Sistema nervoso (la pagina non esiste)"><span title="Discuti del template">D</span></a> · <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Template:Sistema_nervoso&action=edit"><span title="Modifica il template. Usa l'anteprima prima di salvare">M</span></a></div></div><span class="navbox_title"><a href="/wiki/Sistema_nervoso" title="Sistema nervoso">Sistema nervoso</a></span></th></tr><tr><th colspan="1" class="navbox_group"><a href="/wiki/Sistema_nervoso_centrale" title="Sistema nervoso centrale">Sistema nervoso centrale</a></th><td colspan="1" class="navbox_list navbox_odd"><a href="/wiki/Meningi" title="Meningi">Meningi</a><b> ·</b> <a href="/wiki/Midollo_spinale" title="Midollo spinale">Midollo spinale</a><b> ·</b> <a href="/wiki/Cervello_umano" class="mw-redirect" title="Cervello umano">Cervello</a> (<a href="/wiki/Rombencefalo" title="Rombencefalo">Rombencefalo</a><b> ·</b> <a href="/wiki/Bulbo_(encefalo)" title="Bulbo (encefalo)">Bulbo</a><b> ·</b> <a href="/wiki/Ponte_di_Varolio" title="Ponte di Varolio">Ponte di Varolio</a><b> ·</b> <a href="/wiki/Cervelletto" title="Cervelletto">Cervelletto</a>)<b> ·</b> <a href="/wiki/Mesencefalo" title="Mesencefalo">Mesencefalo</a><b> ·</b> <a href="/wiki/Prosencefalo" title="Prosencefalo">Prosencefalo</a> (<a href="/wiki/Diencefalo" title="Diencefalo">Diencefalo</a><b> ·</b> <a href="/wiki/Retina" title="Retina">Retina</a><b> ·</b> <a href="/wiki/Nervo_ottico" title="Nervo ottico">Nervo ottico</a><b> ·</b> <a href="/wiki/Telencefalo" title="Telencefalo">Telencefalo</a><b> ·</b> <a href="/wiki/Gangli_della_base" title="Gangli della base">Gangli della base</a>)<b> ·</b> <a href="/wiki/Sistema_limbico" title="Sistema limbico">Sistema limbico</a></td></tr><tr><th colspan="1" class="navbox_group"><a href="/wiki/Sistema_nervoso_periferico" title="Sistema nervoso periferico">Sistema nervoso periferico</a></th><td colspan="1" class="navbox_list navbox_even"><table class="subnavbox"><tbody><tr><th class="subnavbox_group"><a href="/wiki/Sistema_nervoso_somatico" title="Sistema nervoso somatico">Somatico</a></th><td colspan="1"><a href="/wiki/Nervo_afferente" class="mw-redirect" title="Nervo afferente">Nervo afferente</a><b> ·</b> <a href="/w/index.php?title=Nervo_motorio&action=edit&redlink=1" class="new" title="Nervo motorio (la pagina non esiste)">Nervo motorio</a><b> ·</b> <a href="/wiki/Nervi_cranici" title="Nervi cranici">Nervi cranici</a><b> ·</b> <a href="/wiki/Nervo_spinale" title="Nervo spinale">Nervo spinale</a></td></tr><tr><th class="subnavbox_group"><a href="/wiki/Sistema_nervoso_autonomo" title="Sistema nervoso autonomo">Autonomo</a></th><td colspan="1"><a href="/wiki/Sistema_nervoso_simpatico" title="Sistema nervoso simpatico">Simpatico</a><b> ·</b> <a href="/wiki/Sistema_nervoso_parasimpatico" title="Sistema nervoso parasimpatico">Parasimpatico</a><b> ·</b> <a href="/wiki/Sistema_nervoso_enterico" title="Sistema nervoso enterico">Enterico</a></td></tr></tbody></table></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r141815314"><table class="navbox mw-collapsible mw-collapsed noprint metadata" id="navbox-Tessuto_nervoso"><tbody><tr><th colspan="3"><div class="navbox_navbar"><div class="noprint plainlinks" style="background-color:transparent; padding:0; font-size:xx-small; color:var(--color-base, #000000); white-space:nowrap;"><a href="/wiki/Template:Tessuto_nervoso" title="Template:Tessuto nervoso"><span title="Vai alla pagina del template">V</span></a> · <a href="/w/index.php?title=Discussioni_template:Tessuto_nervoso&action=edit&redlink=1" class="new" title="Discussioni template:Tessuto nervoso (la pagina non esiste)"><span title="Discuti del template">D</span></a> · <a class="external text" href="https://it.wikipedia.org/w/index.php?title=Template:Tessuto_nervoso&action=edit"><span title="Modifica il template. Usa l'anteprima prima di salvare">M</span></a></div></div><span class="navbox_title"><a href="/wiki/Istologia" title="Istologia">Istologia</a>: <a href="/wiki/Tessuto_nervoso" title="Tessuto nervoso">tessuto nervoso</a></span></th></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a href="/wiki/Neurone" title="Neurone">Neuroni</a> (<a href="/wiki/Sostanza_grigia" title="Sostanza grigia">sostanza grigia</a>)</th><td colspan="1" class="navbox_list navbox_odd" style="text-align:left;"><a href="/wiki/Soma_(medicina)" class="mw-redirect" title="Soma (medicina)">Soma</a> <b>·</b> <a href="/wiki/Assone" title="Assone">Assone</a> (<a href="/wiki/Cono_d%27emergenza" title="Cono d'emergenza">cono d'emergenza</a>, <a href="/wiki/Assoplasma" title="Assoplasma">assoplasma</a>, <a href="/w/index.php?title=Assolemma&action=edit&redlink=1" class="new" title="Assolemma (la pagina non esiste)">assolemma</a>, <a href="/wiki/Neurofilamento" title="Neurofilamento">neurofibrilla/neurofilamento</a>) <b>·</b> <a href="/wiki/Dendrite_(biologia)" title="Dendrite (biologia)">Dendrite</a> (<a href="/w/index.php?title=Spina_denditrica&action=edit&redlink=1" class="new" title="Spina denditrica (la pagina non esiste)">spina denditrica</a>, <a href="/wiki/Dendrite_apicale" title="Dendrite apicale">dendrite apicale</a>, <a href="/w/index.php?title=Dendrite_basale&action=edit&redlink=1" class="new" title="Dendrite basale (la pagina non esiste)">dendrite basale</a>) <i>tipi</i>: <a href="/wiki/Cellula_piramidale" title="Cellula piramidale">Cellula piramidale</a> <b>·</b> <a href="/wiki/Cellula_di_Purkinje" class="mw-redirect" title="Cellula di Purkinje">Cellula di Purkinje</a></td><td rowspan="8" class="navbox_image"><figure class="mw-halign-right" typeof="mw:File"><a href="/wiki/File:Pyramidal_hippocampal_neuron_40x.jpg" class="mw-file-description" title="Tessuto nervoso"><img alt="Tessuto nervoso" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Pyramidal_hippocampal_neuron_40x.jpg/100px-Pyramidal_hippocampal_neuron_40x.jpg" decoding="async" width="100" height="76" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Pyramidal_hippocampal_neuron_40x.jpg/150px-Pyramidal_hippocampal_neuron_40x.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/dc/Pyramidal_hippocampal_neuron_40x.jpg/200px-Pyramidal_hippocampal_neuron_40x.jpg 2x" data-file-width="1344" data-file-height="1024" /></a><figcaption>Tessuto nervoso</figcaption></figure></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a class="mw-selflink selflink">Fibre afferenti</a></th><td colspan="1" class="navbox_list navbox_even" style="text-align:left;"><a href="/w/index.php?title=Fibre_afferenti_somatiche_generali&action=edit&redlink=1" class="new" title="Fibre afferenti somatiche generali (la pagina non esiste)">GSA</a> <b>·</b> <a href="/w/index.php?title=Fibre_afferenti_viscerali_generali&action=edit&redlink=1" class="new" title="Fibre afferenti viscerali generali (la pagina non esiste)">GVA</a> <b>·</b> <i>fibre</i> <a href="/w/index.php?title=A_alfa&action=edit&redlink=1" class="new" title="A alfa (la pagina non esiste)">Aα</a> (<a href="/wiki/Fusi_neuromuscolari" class="mw-redirect" title="Fusi neuromuscolari">Ia</a>, <a href="/wiki/Organo_tendineo_del_Golgi" title="Organo tendineo del Golgi">Ib</a>), <a href="/w/index.php?title=Fibra_sensoriale_tipo_II&action=edit&redlink=1" class="new" title="Fibra sensoriale tipo II (la pagina non esiste)">II o Aβ</a>, <a href="/w/index.php?title=Fibra_A_gamma&action=edit&redlink=1" class="new" title="Fibra A gamma (la pagina non esiste)">Aγ</a>, <a href="/w/index.php?title=Fibra_A_delta&action=edit&redlink=1" class="new" title="Fibra A delta (la pagina non esiste)">III o Aδ o del dolore veloce</a>, <a href="/w/index.php?title=Fibra_B&action=edit&redlink=1" class="new" title="Fibra B (la pagina non esiste)">B del sistema nervoso autonomo</a>, <a href="/w/index.php?title=Fibra_C&action=edit&redlink=1" class="new" title="Fibra C (la pagina non esiste)">IV o C o del dolore lento</a>)</td></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a href="/wiki/Fibre_efferenti" title="Fibre efferenti">Fibre efferenti</a></th><td colspan="1" class="navbox_list navbox_odd" style="text-align:left;"><a href="/w/index.php?title=Fibre_efferenti_somatiche_generali&action=edit&redlink=1" class="new" title="Fibre efferenti somatiche generali (la pagina non esiste)">GSE</a> <b>·</b> <a href="/w/index.php?title=Fibre_efferenti_viscerali_generali&action=edit&redlink=1" class="new" title="Fibre efferenti viscerali generali (la pagina non esiste)">GVE</a> <b>·</b> <a href="/w/index.php?title=Fibre_efferenti_somatiche_speciali&action=edit&redlink=1" class="new" title="Fibre efferenti somatiche speciali (la pagina non esiste)">SSE</a> <b>·</b> <a href="/wiki/Neurone_motorio_superiore" title="Neurone motorio superiore">Neurone motorio superiore</a> <b>·</b> <a href="/w/index.php?title=Neurone_motorio_inferiore&action=edit&redlink=1" class="new" title="Neurone motorio inferiore (la pagina non esiste)">Neurone motorio inferiore</a> (<a href="/w/index.php?title=Neurone_motorio_alfa&action=edit&redlink=1" class="new" title="Neurone motorio alfa (la pagina non esiste)">neurone motorio α</a>, <a href="/w/index.php?title=Neurone_motorio_gamma&action=edit&redlink=1" class="new" title="Neurone motorio gamma (la pagina non esiste)">neurone motorio γ</a>)</td></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a href="/wiki/Sinapsi" title="Sinapsi">Sinapsi</a></th><td colspan="1" class="navbox_list navbox_even" style="text-align:left;"><a href="/wiki/Neuropilo" title="Neuropilo">Neuropilo</a> <b>·</b> <a href="/wiki/Vescicola_sinaptica" class="mw-redirect" title="Vescicola sinaptica">Vescicola sinaptica</a> <b>·</b> <a href="/wiki/Giunzione_neuromuscolare" title="Giunzione neuromuscolare">Giunzione neuromuscolare</a> <b>·</b> <a href="/wiki/Sinapsi_elettrica" title="Sinapsi elettrica">Sinapsi elettrica</a> <b>·</b> <a href="/wiki/Interneurone" title="Interneurone">Interneurone</a> (<a href="/wiki/Cellula_di_Renshaw" class="mw-redirect" title="Cellula di Renshaw">Renshaw</a>)</td></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a href="/wiki/Recettore_sensoriale" class="mw-redirect" title="Recettore sensoriale">Recettori sensoriali</a></th><td colspan="1" class="navbox_list navbox_odd" style="text-align:left;"><a href="/w/index.php?title=Terminazione_libera&action=edit&redlink=1" class="new" title="Terminazione libera (la pagina non esiste)">Terminazione libera</a> <b>·</b> <a href="/wiki/Corpuscolo_di_Meissner" title="Corpuscolo di Meissner">Corpuscolo di Meissner</a> <b>·</b> <a href="/wiki/Cellula_di_Merkel" title="Cellula di Merkel">Cellula di Merkel</a> <b>·</b> <a href="/wiki/Fuso_neuromuscolare" title="Fuso neuromuscolare">Fuso neuromuscolare</a> <b>·</b> <a href="/wiki/Corpuscolo_di_Pacini" title="Corpuscolo di Pacini">Corpuscolo di Pacini</a> <b>·</b> <a href="/wiki/Corpuscolo_di_Ruffini" title="Corpuscolo di Ruffini">Corpuscolo di Ruffini</a> <b>·</b> <a href="/w/index.php?title=Neurone_sensoriale_olfattivo&action=edit&redlink=1" class="new" title="Neurone sensoriale olfattivo (la pagina non esiste)">Neurone sensoriale olfattivo</a> <b>·</b> <a href="/wiki/Fotorecettore" title="Fotorecettore">Fotorecettore</a> <b>·</b> <a href="/wiki/Cellula_ciliata" title="Cellula ciliata">Cellula ciliata</a> <b>·</b> <a href="/wiki/Papilla_gustativa" class="mw-redirect" title="Papilla gustativa">Papilla gustativa</a></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a href="/wiki/Cellula_della_glia" title="Cellula della glia">Cellule gliali</a></th><td colspan="1" class="navbox_list navbox_even" style="text-align:left;"><a href="/wiki/Astrocita" title="Astrocita">Astrocita</a> <b>·</b> <a href="/wiki/Oligodendrocita" title="Oligodendrocita">Oligodendrocita</a> <b>·</b> <a href="/wiki/Ependima" title="Ependima">Cellule ependimali</a> <b>·</b> <a href="/wiki/Microglia" title="Microglia">Microglia</a></td></tr><tr><th colspan="1" class="navbox_group" style="text-align:right;"><a href="/wiki/Mielina" class="mw-redirect" title="Mielina">Mielina</a> (<a href="/wiki/Sostanza_bianca" title="Sostanza bianca">sostanza bianca</a>)</th><td colspan="1" class="navbox_list navbox_odd" style="text-align:left;"><a href="/wiki/Cellula_di_Schwann" title="Cellula di Schwann">Cellula di Schwann</a> <b>·</b> <a href="/wiki/Oligodendrocita" title="Oligodendrocita">Oligodendrocita</a> <b>·</b> <a href="/wiki/Nodi_di_Ranvier" title="Nodi di Ranvier">Nodi di Ranvier</a> <b>·</b> <a href="/wiki/Incisure_di_Schmidt-Lanterman" title="Incisure di Schmidt-Lanterman">Incisure di Schmidt-Lanterman</a></td></tr><tr><th colspan="1" 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