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yolk stalk

Syllabification: yolk stalk

Definition of yolk stalk in English:

noun

A tubular connection between the yolk sac and the digestive tract of a developing embryo.
Example sentences
  • During this phase of development, the midgut remains attached to the yolk stalk or vitelline duct.
  • The yolk stalk is also called the umbilical duct, vitelline duct, or oomphalomesenteric duct.
  • The yolk stalk is the narrow connection between the endoderm of the embryo and the yolk sac.

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