paraumbilical vein

Medical Dictionary

paraumbilical vein par·a·um·bil·i·cal vein (pār'ə-ŭm-bĭl'ĭ-kəl)
n.
Any of the small veins that arise from cutaneous veins about the umbilicus and terminate as accessory portal veins.

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

noun
small veins arising in skin around the navel; terminate as accessory portal veins 
WordNet® 3.0, © 2006 by Princeton University.
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