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facial nerve

noun, Anatomy
1.
either one of the seventh pair of cranial nerves composed of motor fibers that control muscles of the face except those used in chewing.
Origin
1810-1820
1810-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for facial-nerve

facial nerve

noun
1.
the seventh cranial nerve, supplying the muscles controlling facial expression, glands of the palate and nose, and the taste buds in the anterior two-thirds 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
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facial-nerve in Medicine

facial nerve n.
Either of a pair of nerves that originate in the pons, traverse the facial canal of the temporal bone, and pass through the parotid gland, reach the facial muscles through various branches, control facial muscles, and relay sensation from the taste buds of the front part of the tongue. Also called seventh cranial nerve.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for facial-nerve

facial nerve

nerve that originates in the area of the brain called the pons and that has three types of nerve fibres: (1) motor fibres to the superficial muscles of the face, neck, and scalp and to certain deep muscles, known collectively as the muscles of facial expression; (2) sensory fibres, carrying impulses from the taste sensors in the front two-thirds of the tongue and general sensory impulses from tissues adjacent to the tongue; and (3) parasympathetic fibres (part of the autonomic nervous system) to the ganglia (groups of nerve cells) governing the lachrymal (tear) glands and certain salivary glands.

Learn more about facial nerve with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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