Assertion: umbilical cord's vein | /r/HasProperty | remnant
Facets:
Source sentences:
text: Top right and top left: umbilical artery, bottom: umbilical vein, middle: remnant of allantois.
text: Top right and top left: umbilical artery, bottom: umbilical vein, middle: remnant of allantois.
text: Top right and top left: umbilical artery, bottom: umbilical vein, middle: remnant of allantois