the part of the auditory nerve in the inner ear that carries sensory information related to body equilibrium.
Origin of vestibular nerve
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
The superior part of the vestibulocochlear nerve peripheral to the vestibulocochlear nerve root, composed of nerve processes that have their terminals on hair cells of the ampullae of the semicircular ducts and the maculas of the saccule and utricle and the bipolar neurons of the vestibular ganglion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.