≡ blastocyst | Blastozyste | 胚泡
⊆January 8th, 2007 ≡>术语百汇-生物科技 No Comments »↓↓↓↓↓↓↓↓↓↓英文解释↓↓↓↓↓↓↓↓↓↓
The blastocyst is an early stage of the human (or other mammal) development early in pregnancy. It is the structure formed in early human embryogenesis, after the formation of the blastocoel, but before implantation. It possesses an inner cell mass, or embryoblast, and an outer cell mass, or trophoblast. The human blastocyst comprises [...]
