Assertion: amnion's cell | /r/HasProperty | arrayed as arc
Facets:
value: around the head
type: LOCATION
Source sentences:
text: The amniochorionic ridge is a swath of elongated cells arrayed initially as an arc around the head of the embryo and later along the sides of the embryo and behind the tailbud.
text: Cells of the amniochorionic ridge (ACR) are elongated and arranged in an arc around the head while cells to either side of the ACR are more nearly isodiametric.