round window (redirected from Fenestra cochleæ)

window /win·dow/ (win´do)

1. a circumscribed opening in a plane surface.

2. the voltage limits that determine which pulses will be allowed to pass on.

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aortic window  a transparent 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.

oval window  fenestra vestibuli.

round window  fenestra cochleae.

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round window

n.

An opening on the medial wall of the middle ear that leads into the cochlea and is covered by the secondary tympanic membrane. Also called fenestra of cochlea.

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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 cochleae, fenestra rotunda.

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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.

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window

a circumscribed opening in a plane surface.

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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).