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tympanic sinus

tympanic sinus in Medicine

tympanic sinus n.
A depression in the tympanic cavity behind the tympanic promontory.

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