栄養膜 栄養芽層 栄養芽細胞
the membrane that forms the wall of the blastocyst in early development aids implantation in the uterine wall
発達段階の初期で胚盤胞の壁を形成する細胞膜 子宮壁への着床を援助する
after implantation of the blastocyst in the uterine wall the trophoblast divides into two layers, the chorion and the placenta
子宮壁の胚盤胞の移植の後、栄養芽層は2枚の層、絨毛膜と胎盤に分かれる