Medical Dictionary

urachus u·ra·chus (yur'ə-kəs)
The portion of the reduced allantoic stalk between the apex of the bladder and the umbilicus.

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