{"id":1456,"date":"2025-09-18T16:25:21","date_gmt":"2025-09-18T13:25:21","guid":{"rendered":"https:\/\/wiki.voka.io\/glossary\/dermatome\/"},"modified":"2025-10-07T19:14:29","modified_gmt":"2025-10-07T16:14:29","slug":"dermatome","status":"publish","type":"glossary_item","link":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/","title":{"rendered":"Dermatome"},"content":{"rendered":"\n<p>Un dermatome est une zone cutan\u00e9e dont l&rsquo;innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l&rsquo;exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.<\/p>\n\n<p>L&rsquo;ensemble des dermatomes du corps humain forme une sorte de \u00ab\u00a0carte\u00a0\u00bb d&rsquo;innervation, qui est utilis\u00e9e en neurologie pour d\u00e9terminer le niveau de l\u00e9sion de la moelle spinale ou des racines spinales. Les territoires des dermatomes voisins se chevauchent partiellement, assurant la fiabilit\u00e9 du syst\u00e8me sensoriel.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x430;&#x43D;&#x430;&#x442;&#x43E;&#x43C;&#x438;&#x44F;-&#x438;-&#x444;&#x438;&#x437;&#x438;&#x43E;&#x43B;&#x43E;&#x433;&#x438;&#x44F;\"><strong>Anatomie et physiologie<\/strong><\/h2>\n\n<p>Chaque nerf spinal sort du canal vert\u00e9bral et comporte des fibres sensitives (aff\u00e9rentes) provenant d&rsquo;une zone sp\u00e9cifique de la peau. Ces fibres transmettent au syst\u00e8me nerveux central des informations sur le toucher, la douleur, la temp\u00e9rature et la pression.<\/p>\n\n<p>L&rsquo;ensemble de ces fibres provenant d&rsquo;une m\u00eame racine et la zone qu&rsquo;elles innervent constituent un dermatome. Par exemple, la racine nerveuse L5 innerve la peau de la face ant\u00e9rieure de la jambe et de la face dorsale du pied.<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-&#x43A;&#x43B;&#x438;&#x43D;&#x438;&#x447;&#x435;&#x441;&#x43A;&#x43E;&#x435;-&#x437;&#x43D;&#x430;&#x447;&#x435;&#x43D;&#x438;&#x435;\"><strong>Importance clinique<\/strong><\/h2>\n\n<p>La carte des dermatomes est un outil fondamental dans le diagnostic topique des maladies neurologiques. Les sympt\u00f4mes (douleur, engourdissement, picotements, \u00e9ruptions cutan\u00e9es) qui correspondent pr\u00e9cis\u00e9ment aux limites d&rsquo;un ou plusieurs dermatomes indiquent tr\u00e8s probablement une l\u00e9sion de la racine nerveuse correspondante.<\/p>\n\n<p>Exemples cliniques\u00a0:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Radiculopathie.<\/strong> La compression ou l&rsquo;inflammation d&rsquo;une racine spinale (par exemple, en cas de hernie discale) provoque une douleur et une alt\u00e9ration de la sensibilit\u00e9 strictement dans la zone du dermatome correspondant. La sciatique en est un exemple classique.<\/li>\n\n\n\n<li><strong>Zona.<\/strong> Le virus varicelle-zona (<em>Varicella zoster<\/em>) persiste dans les ganglions nerveux et, lorsqu&rsquo;il est r\u00e9activ\u00e9, provoque une \u00e9ruption cutan\u00e9e douloureuse caract\u00e9ristique qui se propage exactement le long d&rsquo;un dermatome.<\/li>\n<\/ul>\n\n<p>L&rsquo;\u00e9valuation de la sensibilit\u00e9 dans diff\u00e9rents dermatomes est un \u00e9l\u00e9ment important de l&rsquo;examen neurologique, car elle permet au m\u00e9decin de d\u00e9terminer le niveau de l\u00e9sion du syst\u00e8me nerveux.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un dermatome est une zone cutan\u00e9e dont l&rsquo;innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l&rsquo;exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.<\/p>\n","protected":false},"featured_media":0,"template":"","class_list":["post-1456","glossary_item","type-glossary_item","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v26.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dermatome : d\u00e9finition m\u00e9dicale et description | Voka Wiki<\/title>\n<meta name=\"description\" content=\"Un dermatome est une zone cutan\u00e9e dont l&#039;innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l&#039;exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dermatome\" \/>\n<meta property=\"og:description\" content=\"Un dermatome est une zone cutan\u00e9e dont l&#039;innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l&#039;exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/\" \/>\n<meta property=\"og:site_name\" content=\"Voka Wiki\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-07T16:14:29+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/\",\"url\":\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/\",\"name\":\"Dermatome : d\u00e9finition m\u00e9dicale et description | Voka Wiki\",\"isPartOf\":{\"@id\":\"https:\/\/wiki.voka.io\/fr\/#website\"},\"datePublished\":\"2025-09-18T13:25:21+00:00\",\"dateModified\":\"2025-10-07T16:14:29+00:00\",\"description\":\"Un dermatome est une zone cutan\u00e9e dont l'innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l'exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.\",\"breadcrumb\":{\"@id\":\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/wiki.voka.io\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dermatome\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/wiki.voka.io\/fr\/#website\",\"url\":\"https:\/\/wiki.voka.io\/fr\/\",\"name\":\"Voka Wiki\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/wiki.voka.io\/fr\/#organization\"},\"alternateName\":\"Anatomy & Pathology Wiki by VOKA\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/wiki.voka.io\/fr\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/wiki.voka.io\/fr\/#organization\",\"name\":\"Voka 3D Anatomy & Pathology\",\"alternateName\":\"VOKA\",\"url\":\"https:\/\/wiki.voka.io\/fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/wiki.voka.io\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png\",\"contentUrl\":\"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png\",\"width\":70,\"height\":16,\"caption\":\"Voka 3D Anatomy & Pathology\"},\"image\":{\"@id\":\"https:\/\/wiki.voka.io\/fr\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/\",\"https:\/\/www.instagram.com\/voka.io\/\",\"https:\/\/www.linkedin.com\/company\/voka-io\/\",\"https:\/\/www.youtube.com\/channel\/UCqGGuOEpr62ScH8Pjk2q5zw\/videos\",\"https:\/\/www.pinterest.com\/VokaAnatomyPro\/\",\"https:\/\/www.threads.com\/@voka.io\"],\"description\":\"VOKA.io offers 3D medical animations and custom 3D modeling services. Our product, VOKA 3D Anatomy & Pathology, is a digital atlas with over 1,000 detailed 3D models of human anatomy and pathology, designed for medical education, training, and patient communication.\",\"email\":\"info@voka.io\",\"telephone\":\"+1 814 351 4442\",\"legalName\":\"Voka 3D Anatomy & Pathology\",\"foundingDate\":\"2017-02-12\",\"naics\":\"541512\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"51\",\"maxValue\":\"200\"},\"publishingPrinciples\":\"https:\/\/wiki.voka.io\/fr\/principes-de-publication\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Dermatome : d\u00e9finition m\u00e9dicale et description | Voka Wiki","description":"Un dermatome est une zone cutan\u00e9e dont l'innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l'exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/","og_locale":"fr_FR","og_type":"article","og_title":"Dermatome","og_description":"Un dermatome est une zone cutan\u00e9e dont l'innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l'exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.","og_url":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/","og_site_name":"Voka Wiki","article_publisher":"https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/","article_modified_time":"2025-10-07T16:14:29+00:00","twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/","url":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/","name":"Dermatome : d\u00e9finition m\u00e9dicale et description | Voka Wiki","isPartOf":{"@id":"https:\/\/wiki.voka.io\/fr\/#website"},"datePublished":"2025-09-18T13:25:21+00:00","dateModified":"2025-10-07T16:14:29+00:00","description":"Un dermatome est une zone cutan\u00e9e dont l'innervation sensitive est assur\u00e9e par un seul nerf spinal (un seul segment de la moelle spinale). \u00c0 chaque segment (\u00e0 l'exception du premier segment cervical, C1) correspond une zone sp\u00e9cifique \u00e0 la surface corporelle.","breadcrumb":{"@id":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/wiki.voka.io\/fr\/glossaire\/dermatome\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/wiki.voka.io\/fr\/"},{"@type":"ListItem","position":2,"name":"Dermatome"}]},{"@type":"WebSite","@id":"https:\/\/wiki.voka.io\/fr\/#website","url":"https:\/\/wiki.voka.io\/fr\/","name":"Voka Wiki","description":"","publisher":{"@id":"https:\/\/wiki.voka.io\/fr\/#organization"},"alternateName":"Anatomy & Pathology Wiki by VOKA","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/wiki.voka.io\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/wiki.voka.io\/fr\/#organization","name":"Voka 3D Anatomy & Pathology","alternateName":"VOKA","url":"https:\/\/wiki.voka.io\/fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/wiki.voka.io\/fr\/#\/schema\/logo\/image\/","url":"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png","contentUrl":"https:\/\/wiki.voka.io\/wp-content\/uploads\/2025\/02\/cropped-voka-logo-1.png","width":70,"height":16,"caption":"Voka 3D Anatomy & Pathology"},"image":{"@id":"https:\/\/wiki.voka.io\/fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/VOKA3DAnatomyAndPathology\/","https:\/\/www.instagram.com\/voka.io\/","https:\/\/www.linkedin.com\/company\/voka-io\/","https:\/\/www.youtube.com\/channel\/UCqGGuOEpr62ScH8Pjk2q5zw\/videos","https:\/\/www.pinterest.com\/VokaAnatomyPro\/","https:\/\/www.threads.com\/@voka.io"],"description":"VOKA.io offers 3D medical animations and custom 3D modeling services. Our product, VOKA 3D Anatomy & Pathology, is a digital atlas with over 1,000 detailed 3D models of human anatomy and pathology, designed for medical education, training, and patient communication.","email":"info@voka.io","telephone":"+1 814 351 4442","legalName":"Voka 3D Anatomy & Pathology","foundingDate":"2017-02-12","naics":"541512","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"51","maxValue":"200"},"publishingPrinciples":"https:\/\/wiki.voka.io\/fr\/principes-de-publication\/"}]}},"_links":{"self":[{"href":"https:\/\/wiki.voka.io\/fr\/wp-json\/wp\/v2\/glossary_item\/1456","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wiki.voka.io\/fr\/wp-json\/wp\/v2\/glossary_item"}],"about":[{"href":"https:\/\/wiki.voka.io\/fr\/wp-json\/wp\/v2\/types\/glossary_item"}],"wp:attachment":[{"href":"https:\/\/wiki.voka.io\/fr\/wp-json\/wp\/v2\/media?parent=1456"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}