{"id":1102,"date":"2025-07-11T15:00:44","date_gmt":"2025-07-11T15:00:44","guid":{"rendered":"https:\/\/studenthub.elsevier.com\/fr\/?p=1102"},"modified":"2025-07-23T10:46:27","modified_gmt":"2025-07-23T10:46:27","slug":"systeme-parasympathique","status":"publish","type":"post","link":"https:\/\/studenthub.elsevier.com\/fr\/anatomy-basics\/systeme-parasympathique\/","title":{"rendered":"Syst\u00e8me parasympathique"},"content":{"rendered":"\n<p>La partie parasympathique du syst\u00e8me nerveux autonome du SNP (fig. 1.49) provient des r\u00e9gions cr\u00e2nienne et sacrale du SNC et accompagne :<\/p>\n\n\n\n<p>\u25a0 les nerfs cr\u00e2niens III, VII, IX et X. Les nerfs cr\u00e2niens III, VII et IX acheminent les fibres parasympathiques \u00e0 certains organes de la t\u00eate et du cou alors que le nerf vague (X) innerve en plus des organes thoraciques et la plupart des organes abdominaux<br>\u25a0 les nerfs spinaux compris entre S2 et S4. Les fibres parasympathiques sacrales innervent les organes visc\u00e9raux inf\u00e9rieurs, les organes pelviens et les art\u00e8res des corps \u00e9rectiles du p\u00e9rin\u00e9e.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"1024\" width=\"790\" src=\"https:\/\/studenthub.elsevier.com\/fr\/wp-content\/uploads\/sites\/13\/2025\/07\/Student-Hub-image-Your-Story-2.png?w=790\" alt=\"\" class=\"wp-image-1104\" srcset=\"https:\/\/studenthub.elsevier.com\/fr\/wp-content\/uploads\/sites\/13\/2025\/07\/Student-Hub-image-Your-Story-2.png 1080w, https:\/\/studenthub.elsevier.com\/fr\/wp-content\/uploads\/sites\/13\/2025\/07\/Student-Hub-image-Your-Story-2.png?resize=231,300 231w, https:\/\/studenthub.elsevier.com\/fr\/wp-content\/uploads\/sites\/13\/2025\/07\/Student-Hub-image-Your-Story-2.png?resize=768,996 768w, https:\/\/studenthub.elsevier.com\/fr\/wp-content\/uploads\/sites\/13\/2025\/07\/Student-Hub-image-Your-Story-2.png?resize=790,1024 790w\" sizes=\"auto, (max-width: 790px) 100vw, 790px\" \/><\/figure>\n\n\n\n<p><em>Fig. 1.49: Contingent parasympathique du syst\u00e8me nerveux autonome appartenant au SNP. Drake, Mitchell &amp; Vogl. Gray&#8217;s Anatomie, le manuel pour les \u00e9tudiants, 5e Ed. 2025. \u00a9 Elsevier.<\/em><\/p>\n\n\n\n<p>Tout comme les nerfs moteurs visc\u00e9raux du syst\u00e8me sympathique, les nerfs moteurs visc\u00e9raux du syst\u00e8me parasympathique empruntent des voies \u00e0 deux neurones avec un relais synaptique. Les neurones pr\u00e9ganglionnaires sont situ\u00e9s dans le SNC et leurs axones quittent le SNC par les nerfs cr\u00e2niens.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La partie parasympathique du syst\u00e8me nerveux autonome du SNP (fig. 1.49) provient des r\u00e9gions cr\u00e2nienne et sacrale du SNC et accompagne : \u25a0 les nerfs cr\u00e2niens III, VII, IX et X. Les nerfs cr\u00e2niens III, VII et IX acheminent les fibres parasympathiques \u00e0 certains organes de la t\u00eate et du cou alors que le nerf [&hellip;]<\/p>\n","protected":false},"author":168,"featured_media":1109,"comment_status":"open","ping_status":"open","sticky":false,"template":"wp-custom-template-template-anatomy-basics","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[6],"tags":[],"class_list":["post-1102","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anatomy-basics"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Syst\u00e8me parasympathique - Student Hub France<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez le syst\u00e8me parasympathique avec le &quot;Gray\u2019s Anatomie, le manuel pour les \u00e9tudiants&quot;, un incontournable pour les \u00e9tudiants en m\u00e9decine. 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Ils comprennent des fibres provenant de diff\u00e9rents niveaux de la moelle et de diff\u00e9rentes origines nerveuses, ce qui leur permet de reconstituer des nerfs aux destinations diverses (fig. 1.51). Les plexus ent\u00e9riques g\u00e9n\u00e8rent \u00e9galement des activit\u00e9s r\u00e9flexes ind\u00e9pendantes du SNC. 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De chaque c\u00f4t\u00e9, un tronc nerveux paravert\u00e9bral sympathique s'\u00e9tend de la base du cr\u00e2ne \u00e0 l'extr\u00e9mit\u00e9 inf\u00e9rieure de la colonne vert\u00e9brale. 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Renforcez votre compr\u00e9hension des concepts m\u00e9dicaux complexes gr\u00e2ce \u00e0 des questions type concours, des fiches de r\u00e9vision cibl\u00e9es, des flashcards, un planning d\u2019\u00e9tude personnalisable, et bien\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"http:\/\/img.youtube.com\/vi\/BuvuxKx7wJY\/0.jpg","width":350,"height":200},"classes":[]},{"id":1089,"url":"https:\/\/studenthub.elsevier.com\/fr\/anatomy-basics\/position-anatomique-et-plans-anatomiques\/","url_meta":{"origin":1102,"position":4},"title":"Position anatomique et plans anatomiques","author":"flecomte","date":"July 11, 2025","format":false,"excerpt":"La position anatomique est la position de r\u00e9f\u00e9rence du corps utilis\u00e9e pour la description \u00ab g\u00e9ographique \u00bb des \u00e9l\u00e9ments anatomiques (fig. 1.1). 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