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superior rectal vein in Medicine

superior rectal vein

n.
  1. A vein that drains the greater part of the rectal venous plexus and ascends between layers of the mesorectum to the brim of the pelvis to become the inferior mesenteric vein.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.