yolk stalk


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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 ?
The omphalomesenteric duct remnant is one of the rare congenital anomalies associated with the primitive yolk stalk.
Omphalomesenteric duct remnants (vitelline duct anomalies) have been reported to be congenital anomalies associated with the primitive yolk stalk.
In the process of hatching, yolk is utilized by the chick either through endocytosis of its contents into circulation or by transportation through yolk stalk into small intestine (Sklan, 2003).