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An oval, bony chamber of the inner ear, part of the bony labyrinth. It is continuous with bony COCHLEA anteriorly, and SEMICIRCULAR CANALS posteriorly. The vestibule contains two communicating sacs (utricle and saccule) of the balancing apparatus. The oval window on its lateral wall is occupied by the base of the STAPES of the MIDDLE EAR.
Entry Term(s)
Ear Vestibule
Vestibular Apparatus
Vestibular Labyrinth
Vestibule of Ear
Vestibulum Auris
NLM Classification #
WV 255
Public MeSH Note
2008; see VESTIBULE 1990-2007, see VESTIBULAR APPARATUS 1963-1989
An oval, bony chamber of the inner ear, part of the bony labyrinth. It is continuous with bony COCHLEA anteriorly, and SEMICIRCULAR CANALS posteriorly. The vestibule contains two communicating sacs (utricle and saccule) of the balancing apparatus. The oval window on its lateral wall is occupied by the base of the STAPES of the MIDDLE EAR.