oval window

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a circumscribed opening in a plane surface; called also fenestra.
aortic window a radiolucent region below the aortic arch, formed by the bifurcation of the trachea, visible in the left anterior oblique radiograph of the heart and great vessels.
window of cochlea (cochlear window) round window.
oval window an oval opening in the inner wall of the middle ear, which is closed by the stapes; called also vestibular window and fenestra vestibuli.
round window a round opening in the middle ear covered by the secondary tympanic membrane; called also cochlear window and fenestra cochleae.
vestibular window (window of vestibule) oval window.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

o·val win·dow

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.
Farlex Partner Medical Dictionary © Farlex 2012

oval window

The oval opening in the middle ear to which the base of the stapes is connected and through which the ossicles of the ear transmit sound vibrations to the cochlea.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

fe·nes·tra ves·tib·u·li

(fĕ-nes'tră ves-tib'yū-lī) [TA]
An oval opening on the medial wall of the tympanic cavity leading into the vestibule, closed by the foot of the stapes.
Synonym(s): oval window.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

oval window

The oval opening in the outer wall of the inner ear in which the footplate of the inner of the three AUDITORY OSSICLES, the stapes, is free to vibrate.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

oval window

a membranous wall at the junction of the middle ear and inner ear which connects the stapes with the vestibular canal of the COCHLEA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Oval window

A tiny opening at the entrance to the inner ear.
Mentioned in: Hearing Aids
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Elimination of the third-window effect occurs, thus reestablishing a two-window system between the oval window and the site of canal dehiscence.
Crown molding, Tuscan columns, oval windows, lots of white, billowing sheer linen curtains, and comfortable upholstered furniture in creams, golds, yellow and white or blue and white stripes are also elements in a Vittadini home.
Traumatic perilymph fistulae of the round and oval windows. J Laryngol Otol 1983;97:1149-55.
(9) He described the cases of 3 patients who each experienced tinnitus, vertigo, and fluctuating hearing loss following head trauma; each was found to have a leak of perilymph from the oval window area during exploratory tympanotomy.
Since then, various anatomic studies have been performed on temporal bones, and theories have arisen about the significance of microfissures in the otic capsule in the area of the oval window, the round window niche, and the posterior canal ampulla.
Features include stone surrounds on windows and doors, arched and oval windows and wrought iron balconies.
Robertson, it includes a monumental arch, a pair of oval windows draped with garlands, and a company banner carved in stone.