Vestibular duct
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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.
| Vestibular duct | |
|---|---|
 Inner ear, with vestibular duct labeled near bottom. | |
 Cross section of the cochlea. | |
| Details | |
| Identifiers | |
| Latin | scala vestibuli |
| MeSH | D054738 |
| TA98 | A15.3.03.043 |
| TA2 | 6968 |
| FMA | 61269 |
| Anatomical terminology | |
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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The cochlea and vestibule, viewed from above.
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Transverse section of the cochlear duct of a fetal cat.
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Interior of right osseous labyrinth.
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Diagrammatic longitudinal section of the cochlea.
