Objective To investigate the influence of tetramethypyrazine,pueprarin,Ginkgo flavonoids and notoginsenosides on the formation of microvessels of chicken chorioallantoic membrane(CAM).
But the placenta -- the organ that provides material to the embryo from the mother -- is actually formed from the chorion and allantois membranes of the egg.
Because, the main membranes of an amniotic egg -- known as the sac, the chorion, and the allantois -- are all present in animals that give birth to live young.
，
衣草精华、金缕梅、改性尿囊。
-
趣闻 
、葛根素、银杏黄酮及三七皂苷对鸡胚
生长的影响。
母亲的胚胎提供
是由卵子的绒毛膜和
膜卵的主要膜——被称
