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circular sinus

circular sinus in Medicine

circular sinus n.

  1. A venous sinus at the periphery of the placenta.

  2. See venous sinus of sclera.

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