yolk stalk(redirected from vitellointestinal duct)
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Related to vitellointestinal duct: Meckel's diverticulum
A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a tubular connection between the yolk sac and the embryonic gut in the developing embryo.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.