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venous sinus

 - 2 dictionary results
Medical Dictionary

Main Entry: venous sinus
Function: noun
1 : a large vein or passage (as the canal of Schlemm) for venous blood
2 : SINUS VENOSUS
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

venous sinus n.
A cavity at the caudal end of the embryonic cardiac tube in which veins from the intra- and extraembryonic circulatory arcs unite. In adults it develops into the sinuses of the venae cavae.

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