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Definition of Oval window
1. Noun. Fenestra that has the base of the stapes attached to it.
Exact synonyms: Fenestra Of The Vestibule, Fenestra Ovalis, Fenestra Vestibuli
Generic synonyms: Fenestra
Generic synonyms: Fenestra
Medical Definition of Oval window
1. Fenestra of the vestibule; an oval opening in the medial wall of the middle ear leading into the vestibule. Normally it is covered by the base of the stapes. (12 Dec 1998)