{"id":1334,"date":"2020-08-05T21:10:57","date_gmt":"2020-08-05T21:10:57","guid":{"rendered":"https:\/\/meddists.com\/learn\/pre-clinical\/anatomy\/head-and-neck\/neurovasculature\/innervation\/hypoglossal-nerve-cn-xii\/"},"modified":"2020-08-11T21:29:23","modified_gmt":"2020-08-11T21:29:23","slug":"hypoglossal-nerve-cn-xii","status":"publish","type":"page","link":"https:\/\/meddists.com\/learn\/pre-clinical\/anatomy\/skull-head-and-neck\/neurovasculature\/innervation\/hypoglossal-nerve-cn-xii\/","title":{"rendered":"Hypoglossal nerve (CN XII)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><div class=\"intro\">The hypoglossal nerve (&#8220;under the tongue&#8221;) controls the muscles of the tongue (all except for palatoglossus).<\/div><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">The hypoglossal nerve supplies motor innervation to the muscles of the tongue:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Extrinsic (all except for palatoglossus, which is innervated by CN X)<ol><li>Genioglossus<\/li><li>Hyoglossus<\/li><li>Styloglossus<\/li><\/ol><\/li><li>Intrinsic<ul><li>Vertical<\/li><li>Transverse<\/li><li>Superior longitudinal<\/li><li>Inferior longitudinal<\/li><\/ul><\/li><\/ul>\n\n\n<span class=\"block-heading\" id=\"header_1\">\n<h4 class=\"wp-block-heading\" class=\"wp-block-heading\" class=\"title_collection title1\">Course<\/h4>\n<\/span><span class=\"block-content\" id=\"contents_1\">\n\n\n<ol class=\"wp-block-list\"><li>The hypoglossal nerve emerges through the hypoglossal canal. <\/li><li>As it descends, it runs along with the cervical plexus, carrying fibers from C1-2 roots.<ul><li>Only sharing the connective tissue, without synapsing.<\/li><\/ul><\/li><li>It continues anteriorly, underneath, and medial to the angle of the mandible.<\/li><li>It passes under the tongue, innervating the extrinsic muscles.<\/li><\/ol>\n<\/span><div id=\"the_titles\" style=\"display:none;\"><h4 class=\"wp-block-heading\" class=\"wp-block-heading\">Course<\/h4><\/div>","protected":false},"excerpt":{"rendered":"<p>The hypoglossal nerve supplies motor innervation to the muscles of the tongue: Extrinsic (all except for palatoglossus, which is innervated by CN X) Genioglossus Hyoglossus Styloglossus Intrinsic Vertical Transverse Superior longitudinal Inferior longitudinal Course The hypoglossal nerve emerges through the hypoglossal canal. As it descends, it runs along with the cervical plexus, carrying fibers from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1159,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1334","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hypoglossal nerve (CN XII) &#8211; Meddists<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/meddists.com\/learn\/pre-clinical\/anatomy\/skull-head-and-neck\/neurovasculature\/innervation\/hypoglossal-nerve-cn-xii\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/meddists.com\\\/learn\\\/pre-clinical\\\/anatomy\\\/skull-head-and-neck\\\/neurovasculature\\\/innervation\\\/hypoglossal-nerve-cn-xii\\\/\",\"url\":\"https:\\\/\\\/meddists.com\\\/learn\\\/pre-clinical\\\/anatomy\\\/skull-head-and-neck\\\/neurovasculature\\\/innervation\\\/hypoglossal-nerve-cn-xii\\\/\",\"name\":\"Hypoglossal nerve (CN XII) &#8211; 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