Scala vestibuli

Scala vestibuli

The cochlea and vestibule, viewed from above.

Cross section of the cochlea.
Gray's	subject #232 1050

Scala vestibuli is a perilymph filled cavity inside the cochlea of the inner ear.

It is separated from the scala media by Reissner's membrane and extends from the oval window to the helicotrema where it joins scala tympani.

[edit] Additional images

Transverse section of the cochlear duct of a fetal cat.

Interior of right osseous labyrinth.

Diagrammatic longitudinal section of the cochlea.

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v • d • e

Outer ear: Pinna (Helix, Antihelix, Tragus, Antitragus, Earlobe) - Ear canal

Middle ear: Eardrum - Ossicles (Malleus, Incus & Stapes) - Stapedius - Tensor tympani - Eustachian tube (Torus tubarius)

Inner ear/Labyrinth: Bony labyrinth - Membranous labyrinth - Cochlea (Cochlear duct, Scala vestibuli, Scala media & Scala tympani) - Oval window - Helicotrema - Round window - Basilar membrane - Reissner's membrane - Organ of Corti - Hair cells - Stereocilia - Sulcus spiralis externus - Sulcus spiralis internus - Tectorial membrane - Vestibule

Brain: Cochlear nerve ^VIII → Cochlear nuclei → Superior olivary nuclei → Lateral lemniscus → Inferior colliculi → Medial geniculate nuclei → Primary auditory cortex