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oval window

noun, Anatomy
an oval opening at the head of the cochlea, connecting the middle and inner ear, through which sound vibrations of the stapes are transmitted.
1675-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for oval window
  • There is a bone attached to the tympanic membrane which also attaches to the oval window of the inner ear.
  • The stirrup transmits the amplified vibrations through the oval window and into the fluid that fills the inner ear.
oval window in Medicine

oval window n.
An oval opening located on the medial wall of the tympanic cavity, leading into the vestibule, to which the base of the stapes is connected and through which the ossicles of the ear transmit the sound vibrations to the cochlea. Also called fenestra of vestibule.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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