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Vestibule, Labyrinth

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Definition: 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.  diseases   
Examples Oval Window, Ear; Saccule and Utricle; Vestibular Aqueduct 		Other names Vestibules, Labyrinth; Vestibules, Ear; Vestibule, Ear; Vestibular Labyrinths; Labyrinths, Vestibular; Labyrinth, Vestibular; Labyrinth Vestibules; Labyrinth Vestibule; Ear Vestibules; Apparatus, Vestibular; Vestibulum Auris; Vestibular Apparatus; Vestibule of Ear; Vestibular Labyrinth; Ear Vestibule

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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