round window


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Related to round window: oval window

round′ win′dow


n.
a membrane-covered opening in the inner wall of the middle ear that compensates for changes in inner ear pressure.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

round window

A membrane-covered opening between the middle ear and inner ear.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.round window - fenestra leading into the cochlea
fenestra - a small opening covered with membrane (especially one in the bone between the middle and inner ear)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
I heard the swish of the water as the ship was suddenly brought round, and a foamy yellow-green wave flew across the little round window and left it streaming.
Vinegar-faced Joseph projected his head from a round window of the barn.
"It has a submarine-style door, a hatch down to the engine room, a round window and a circular Captain's table.
Apart from conduction of sound waves across the middle ear, tympanic membrane also sub-serves a protective function to the middle ear cleft and round window niche.
Windage is adjusted by loosening a small Allen-head screw accessible through a round window in the back of the carry handle and manually sliding the aperture left or right.
In the normal inner ear, the compliance of the round window is approximately 20 times greater than that of the oval window, since the round window is only a simple membrane, without any obstruction.
Single samples from the round window, oval window, and basal turn or sequential sampling from the apical region were attempted (4-6).
Although endoscopic examinations, we did not explore the round window through the posterior tympanotomy in the surgery.
The cathedral boasts fabulous stained glass which varies hugely in age but the most prized is this beautiful round window which catches the eye as soon as arriving visitors turn to look up the length of the cathedral.
A small opening was made in the bulla to expose the round window. A 2.5 [micro]l Hamilton syringe was used to apply the ouabain gel described above (1.6 [micro]l) to the round window membrane.
When a drug is administered to the middle ear through intratympanic drug injection, it must pass the round window membrane (RWM) or the annular ligament of the oval window (OW) to reach the inner ear.
We conducted an animal experiment to investigate the effects of mechanical trauma to the round window with the placement of a model electrode inserted into the scala tympani on the cochlear reserve, and to determine the efficacy of topical steroids in preventing hearing loss in such a situation.