vitelline duct(redirected from Yolk-stalk)
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vitelline duct[vī′tel‚ēn ′dəkt]
The constricted part of the yolk sac opening into the midgut region of the future ileum. Also known as omphalomesenteric duct; umbilical duct.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.