Scala tympani is supplied by which of the following nerve:
Correct Answer: Vestibulocochlear nerve
Description: Vestibulo-cochlear nerve comprises of hearing and vestibular pasScala tympaniIt is one of the perilymph-filled cavities in the cochlear labyrinth of the ear.It is separated from the scala media by the basilar membrane, and it extends from the round window to the helicotrema, where it continues as scala vestibuli.The purpose of the perilymph-filled scala tympani and scala vestibuli is to transduce the movement of air that causes the tympanic membrane and the ossicles to vibrate, to movement of liquid and the basilar membrane.The movement of the basilar membrane compared to the tectorial membrane causes the sterocilia to bend.They then depolarise and send impulses to the brain the cochlear nerve.This produces the sensation of sound.
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Anatomy
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