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90s Slang You Should Know

sigmoid sinus

sigmoid sinus in Medicine

sigmoid sinus n.
The S-shaped dural sinus lying on the mastoid process of the temporal bone and the jugular process of the occipital bone.

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