vestibular nerve(redirected from vestibular root of cranial nerve VIII)
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The branch of the vestibulocochlear nerve that innervates the vestibule and semicircular canals and maintains balance.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.