Synonyms of trophoblast

Noun

1. trophoblast, membrane, tissue layer

usage: the membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall; "after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"

Definition and meaning of trophoblast (Dictionary)