round window


Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia.
Related to round window: oval 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.

round win·dow

[TA]
an opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane.

round window

Etymology: L, rotundus + ONorse, vindauga
a round opening in the medial wall of the middle ear leading into the cochlea and covered by a secondary tympanic membrane. Also called fenestra cochlea, fenestra rotunda.

fe·nes·tra co·chle·ae

(fĕ-nes'tră kōk'lē-ē) [TA]
An opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane.
Synonym(s): round window.

round window

The membranous, elastic opening in the outer wall of the inner ear that allows free movement of the fluid within the COCHLEA of the inner ear when sound vibrations are conveyed to it by the AUDITORY OSSICLES.

round window

see FENESTRA OVALIS AND ROTUNDA.

round win·dow

(rownd win'dō) [TA]
Opening on medial wall of middle ear leading into cochlea, closed in life by the secondary tympanic membrane.
Synonym(s): fenestra of the cochlea.

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 ?
Direct round window membrane application of gentamicin in the treatment of Meniere's disease.
Cochleostomy is made in the anteroinferior part of the round window niche; slowly the electrodes are inserted into the cochlea tome, periosteum tissue placed around the electrode.
Distribution of lipid nanocapsules in different cochlear cell populations after round window membrane permeation.
5] Intact tympanic membrane protects the middle ear cavity from infections and shields the round window from direct sound waves which is referred to as the" Round Window Baffle".
The five points marked in each bone were the lateral epitympanum, posterior crus of the stapes, sinus tympani, eustachian tube orifice, and round window niche.
Upstairs, the master bedroom has an unusual round window to the front and a built-in dressing table and wardrobe.
A light peach-tinted space bathed in light from the round window in the barrel-vaulted ceiling, it is a gentle and symmetrical introduction to a house that manages to be formal and relaxed at once.
Alberti regarded the round window as the opening absolute and hence this essay explores the fascination with big round windows, as enjoyed by Ledoux, Kahn or Rossi.
Designed to be exceptionally child-friendly, the center is unusually bright, airy and spacious, with an abundance of windows, including a round window and towers.
Round window membrane is the only soft tissue barrier separating the middle ear from the inner ear this semipermeable membrane appears to be the main portal for the passage of noxious substance from the middle ear cavity to the labyrinth.
1,2) For example, in humans, the round window membrane is recessed within a deep bony niche, which protects it from contact with ear drops that may be in the middle ear space.