oval window
(redirected from fenestra vestibuli)Also found in: Dictionary, Thesaurus, Medical, Wikipedia.
Related to fenestra vestibuli: fenestra ovalis
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 windowoval window
A window having the shape of an ellipse or a shape between an ellipse and a circle.