Worlds of David Darling
Encyclopedia of Science
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oval window

middle ear
Image: © 1998 Wadsworth Publishing Co./ITP
The oval window is a membrane-covered opening that transmits vibrations from the middle ear to the inner ear. It lies above the round window. Vibrations of the eardrum are transferred across the middle ear by the auditory ossicles and transmitted to the inner ear by the oval window, which is connected to the third ear ossicle (the stapes).

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