Assertion: amnion | /r/CapableOf | enclose concave space
Facets:
value: gradually
type: MANNER
value: above the germ-disk
type: LOCATION
value: during the next ﬁve days
type: TEMPORAL
value: to form the amniotic cavity
type: PURPOSE
Source sentences:
text: The amnion begins to delaminate from adjacent trophoblast during the eighth day and gradually encloses the concave space above the germ-disk during the next ﬁve days to form the amniotic cavity.