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Definition: a membrane-covered oval opening on the medial wall of the tympanic cavity leading into the vestibule, closed in life by the foot of the stapes.

Synonym(s): fenestra vestibuliTA, fenestra of the vestibule, fenestra ovalis, vestibular window

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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