round window

(redirected from round windows)
Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to round windows: oval windows

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 ?
In normal hearing, fluid waves travel from the oval window through the cochlea towards the round window.
The top floor features round windows and the back of the clockfaces The high life.
Already in the United States shoppers have emptied stores of items like sticky tape - for putting round windows in case of chemical attack - so we have to take it all seriously.
The only thing planes have in common with luxury ships these days is a captain - and round windows.
Passage through the building is marked rhythmically by views into the various courtyards, the two-storey ones being the main orientation points, with round windows in the passages as added articulation.
It has a mouse door, round windows and a mouse chimney
One of the characters in the play has a love of books and the written word, so the library, with its huge, round windows overlooking the Valley as a backdrop for the performance seemed like the perfect spot, she said.
The most common listed characteristics included stained glass windows, round windows, large porches and ornate trims.
The small round windows in the sides of the window bay are Pyrex pie plates.
In the middle of the store, there is a unique home theater section which is fashioned after the front of a Circa 1920 New York City theater complete with marquee, movie theater doors with the old-style round windows, movie theater lobby with a popcorn machine, and movie preview posters.