Assertion: umbilical cord | /r/AtLocation | early stage
Facets:
value: at around the 8th week
type: TEMPORAL
Source sentences:
text: In the early stage (at around the 8th week) the umbilical cord is in the form of a very thick and short section with the following structures: The ductus omphalo-entericus which connects the primitive intestines with the umbilical vesicle and two vitelline vessels (vasa omphalomesenterica, 2 arteries and 2 veins!).