round window

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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

round window

see FENESTRA OVALIS AND ROTUNDA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

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.
Medical Dictionary for the Dental Professions © Farlex 2012