Trophoblast — definition

1. trophoblast (Noun)

1 definition

trophoblast (Noun) — The membrane that forms the wall of the blastocyst in early development; aids implantation in the uterine wall. ex. "after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta"

2 types of
membrane tissue layer
2 parts
cytotrophoblast syncytiotrophoblast
2 parts of
blastosphere blastula