Assertion: right umbilical vein | /r/HasProperty | proximal and distal portions
Facets:
Source sentences:
text: With the expansion and dominance of the right vitelline veins, the entire right umbilical vein (proximal and distal portions) regresses entirely (the remnants of which, along with the right umbilical artery, form the right medial umbilical ligament found in the anterior abdominal wall in the adult)