embryoblast
111ectodermal disc — an elongated plate of epithelial cells developed from the embryoblast in the human blastocyst about a week after fertilization …
112abembryonic pole — the pole of the blastocyst opposite the embryonic pole, that is, further away from the embryoblast; this location is the site of trypsinlike activity that is responsible for the shedding of the zona pellucida …
113Blastogenese — Blasto|gene̱se [↑blasto... u. gr. γενεσις = Geburt, Ursprung, Entstehung] w; : 1) ungeschlechtliche Vermehrung durch Knospung od. Sprossung (Biol.). 2) Stadium der befruchteten Eizelle während der ersten Phase der Zellteilung bis zur… …
