yolk stalk


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yolk stalk

the narrowed connection between the intraembryonic gut and the yolk sac; its walls are splanchnopleure.

yolk stalk

n.
A narrow ductlike part that connects the yolk sac to the middle of the digestive tract of an embryo.

om·pha·lo·en·ter·ic duct

(om'fă-lō-en-ter'ik dŭkt)
Narrowed tubular connection between the embryonic midgut and umbilical vesicle (yolk sac).
Synonym(s): omphalomesenteric duct, yolk stalk.