yolk stalk

(redirected from vitellointestinal duct)
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Related to vitellointestinal duct: Meckel's diverticulum

yolk stalk

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

yolk′ stalk`


n.
a tubular connection between the yolk sac and the embryonic gut in the developing embryo.
[1895–1900]
References in periodicals archive ?
It is a true diverticulum found in the anti-mesenteric boarder comprising of all intestinal layers and is due to the persistence of the vitellointestinal duct.
This persistent part is normally present in early fetal life as the proximal part of the vitellointestinal duct, which usually disappears later.
persistence of vitellointestinal duct impart (Meckel's Diverticulum) or whole, aganglionosis of colon (Hirschsprung's disease), malrotation of gut etc.