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mastoid sinus

mastoid sinus in Medicine

mastoid sinus n.
Any of numerous air-filled spaces of various sizes in the mastoid process. Also called mastoid cell.

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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  • The mastoid sinus is not involved, by inflation or marked modification in the production of the auditory complex.

    American Weasels E. Raymond Hall

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