Assertion: umbilical cord | /r/MadeOf | allantois
Facets:
Source sentences:
text: The umbilical cord develops from and contains remnants of the yolk sac and allantois (and is therefore derived from the same zygote as the fetus).
text: The umbilical cord is formed from the fusion of the body stalk (containing the allantois) and the umbilical vessels and yolk stalk (containing the omphalomesenteric duct).
text: The umbilical cord develops from and contains remnants of the yolk sac and allantois (and is therefore derived from the same zygote as the fetus).
text: The umbilical cord develops from and contains remnants of the yolk sac and allantois (and is therefore derived from the zygote).
text: The umbilical cord is formed from the fusion of the body stalk (containing the allantois) and the umbilical vessels and yolk stalk (containing the omphalomesenteric duct) (1).
text: The umbilical cord in its early development is inserted in the lower ventral portions of the embryo, is short and thick, and contains the allantois, the vitelline duct and vessels, and the umbilical vessels.