The vestibule is the central part of the osseous labyrinth, and is situated medial to the tympanic cavity, behind the cochlea, and in front of the semicircular canals. The etymology comes from the Latin vestibulum, literally an entrance hall [Wikipedia: http://en.wikipedia.org/wiki/Vestibule_of_the_ear].
Synonyms: vestibule of the ear
Hierarchy: 5
Parent: osseous labyrinth
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