Assertion: umbilical cord's vessel | /r/CapableOf | become connected
Facets:
value: to the villous vessels
type: TRANSITIVE-OBJECT
Source sentences:
text: The human allantoic vessels, two allantoic arteries originating from the internal iliac arteries, and one allantoic vein that enters the hepatic vein, invade the placenta and become connected to the villous vessels.