Assertion: umbilical cord | /r/CapableOf | form the vitelline duct degenerates
Facets:
value: completely
type: MANNER
value: through a physiological process
type: MANNER
Source sentences:
text: When the umbilical cord has completely formed and has become fully functional, the vitelline duct degenerates through a physiological process called apoptosis (programmed cell death).