Vestibular duct

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Vestibular duct
Blausen 0329 EarAnatomy InternalEar.png
Inner ear, with vestibular duct labeled near bottom.
Cross section of the cochlea.
Latin Scala vestibuli
TA A15.3.03.043
FMA 61269
Anatomical terminology

The vestibular duct or scala vestibuli is a perilymph-filled cavity inside the cochlea of the inner ear that conducts sound vibrations to the cochlear duct.

It is separated from the cochlear duct by Reissner's membrane and extends from the vestibule of the ear to the helicotrema where it joins the tympanic duct.

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