- a tubular connection between the yolk sac and the embryonic gut in the developing embryo.
Origin of yolk stalk
First recorded in 1895–1900
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for yolk stalk
In the region of the yolk-stalk it is somewhat enlarged and ends in a blind sac like a caecum.Development of the Digestive Canal of the American Alligator
Albert M. Reese
- A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.omphalomesenteric duct
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.