Assertion: umbilical cord's vessel | /r/AtLocation | umbilical cord
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: Occasionally, only two vessels (one vein and one artery) are present in the umbilical cord.
text: Occasionally, only two vessels (one vein and one artery) are present in the umbilical cord.
text: Occasionally, only two vessels (one vein and one artery) are present in the umbilical cord.
text: Occasionally, only two vessels (one vein and one artery) are present in the umbilical cord.