- either one of the twelfth pair of cranial nerves, consisting of motor fibers that innervate the muscles of the tongue.
Origin of hypoglossal nerve
First recorded in 1840–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the twelfth cranial nerve, which supplies the muscles of the tongue
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Either of a pair of nerves that arise from the medulla, pass through the hypoglossal canal, and supply muscles of the tongue and the styloglossus, hyoglossus, and genioglossus muscles.twelfth cranial nerve
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.