oval window

(redirected from fenestra of the vestibule)
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oval window

[′ō·vəl ′win·dō]
(anatomy)
The membrane-covered opening into the inner ear of tetrapods, to which the ossicles of the middle ear are connected.

oval window

A window in the shape of an ellipse, or in a shape between an ellipse and a circle.
See also: French window

oval window

A window having the shape of an ellipse or a shape between an ellipse and a circle.