vestibular nerve

noun Anatomy.
the part of the auditory nerve in the inner ear that carries sensory information related to body equilibrium.

Origin:
1870–75

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American Heritage
Medical Dictionary

vestibular nerve n.
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
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Cutting the vestibular nerve with a surgical procedure helps control vertigo.
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