Assertion: primitive umbilical cord | /r/HasProperty | formed
Facets:
Source sentences:
text: The rudimentary umbilical cord is formed during the 4th to 8th weeks of gestation (calculated from the first day of the last menstrual cycle) by the expanding amnion enveloping tissue from the body stalk, the omphalomesenteric duct and the umbilical coelom.
text: The rudimentary umbilical cord is formed during the 4th to 8th weeks of gestation (calculated from the first day of the last menstrual cycle) by the expanding amnion enveloping tissue from the body stalk, the omphalomesenteric duct and the umbilical coelom.