Assertion: umbilical cord | /r/HasProperty | thick
Facets:
Source sentences:
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.
text: Note that the umbilical cord in this gestational age window is short and thick and connects the embryo to the placenta.