oval window


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Related to oval window: round window

window

 [win´do]
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.

o·val win·dow

[TA]
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.

oval window

n.
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.

oval window

[ō′vəl]
Etymology: L, ovum; ME, windoge
an aperture in the wall of the middle ear, leading to the inner ear. The footplate of the stapes vibrates in the oval window, transmitting sound waves to the cochlea. Also called vestibular window.

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.

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.

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.

Oval window

A tiny opening at the entrance to the inner ear.
Mentioned in: Hearing Aids

window

a circumscribed opening in a plane surface.

cochlear window, fenestra cochleae
an aperture between the tympanic cavity of the middle ear and the cochlea of the internal ear; covered by the secondary tympanic membrane. Called also round window.
oval window
an oval opening in the inner wall of the middle ear, which is closed by the stapes; called also fenestra vestibuli.
round window
see cochlear window (above).
References in periodicals archive ?
In normal hearing, fluid waves travel from the oval window through the cochlea towards the round window.
The abnormal bone fixates the stapes in the oval window and interferes with sound passing waves to the inner ear.
The sound, which arrives at the cochlea after the middle ear bones transmit it to the oval window, reverberates through the cochlea and the semi-circular canals.
The line includes a hexagon-shaped box, a heart-shaped box and a oval window box.
The reduction in the number of avionics boxes increases usable cabin volume for greater outfitting flexibility and adds room for an additional oval window that provides greater natural light in the cabin.
The cement was applied before fenestration of the footplate to avoid any leakage of cement into the oval window.
The most common finding on revision is prosthesis malfunction at the incus site, at the oval window site, or at both sites.
The dehiscence was seen overlying the entirety of the stapes footplate, more distally along its horizontal segment just over the oval window (figure 1).
Negative pressure changes at the site of the round and oval window or increases in intracranial pressure may also result in movement or pressure changes within the inner ear.
6-mm lesion at the posterior genu of the facial nerve that obliterated the oval window (figure 2, A).
On those rare occasions when fluid does escape from the inner ear through the round or oval window, it is not perilymph but cerebrospinal fluid secondary to an enlarged cochlear aqueduct or modiolus.