Assertion: amnion's cell | /r/HasProperty | the trophoblast
Facets:
value: to feed
type: PURPOSE
Source sentences:
text: In mammals and man the chorion provides for the exchange of substances between the body of the mother and the fetus; it forms during the early stage of development, when the embryo is still a small vesicle (the so-called blastocyst) consisting of an aggregation of small cells, the so-called embryoblast, surrounded by a layer of larger cells, the trophoblast.
text: The cells that form the outer shell are called trophoblasts (trophe = “to feed” or “to nourish”).
text: In mammals and man the chorion provides for the exchange of substances between the body of the mother and the fetus; it forms during the early stage of development, when the embryo is still a small vesicle (the so-called blastocyst) consisting of an aggregation of small cells, the so-called embryoblast, surrounded by a layer of larger cells, the trophoblast.