fenestra (redirected from fenestra cochleae)

fenestra /fe·nes·tra/ (fe-nes´trah) pl. fenes´trae   [L.] a window-like opening.

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fenestra coch´leae  round window; an opening in the inner wall of the middle ear covered by the secondary tympanic membrane.

fenestra ova´lis  f. vestibuli.

fenestra rotun´da  f. cochleae.

fenestra vesti´buli  oval window; an opening in the inner wall of the middle ear, closed by the base of the stapes.

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fe·nes·tra (f-nstr)

n. pl. fe·nes·trae (-tr)

1. A small anatomical opening, often closed by a membrane.

2. The opening in a bone made by surgical fenestration.

3. A specialized opening, as in a surgical instrument.

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fe·nestral adj.

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fenestra

pl. fenestrae [L.] a window-like opening.

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fenestra cochleae

a round opening in the inner wall of the middle ear covered by the secondary tympanic membrane; called also round window.

sternal fenestra

large openings in the caudal edge of the sternum of birds.

fenestra vestibuli

an oval opening in the inner wall of the middle ear, which is closed by the stapes; called also oval window.