fenestra cochleae


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fenestra

 [fĕ-nes´trah] (pl. fenes´trae) (L.)
fenestra coch´leae round window.
fenestra vesti´buli 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.

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.

fenestra

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

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.