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hypoglossal nerve |
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hypoglossal nerve [¦hī·pə¦gläs·əl ′nərv] (neuroscience) The twelfth cranial nerve; a paired motor nerve in tetrapod vertebrates innervating tongue muscles; corresponds to the hypobranchial nerve in fishes. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Medially, it is related to the lingual and hypoglossal nerves as they lie on the hyoglossus muscle. Dissections of five modern human cadavers also yielded no indication that larger hypoglossal canals carry thicker hypoglossal nerves. Although this affords wide access to the clivus and upper cervical spine, it poses a risk to the lingual and hypoglossal nerves. |
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