Embryo,Preimplantation
《英文msh詞典》Embryo,Preimplantation
[同義詞] Embryo,Preimplantation
[主題詞] Blastocyst
[中文釋義] 胚胎,植入前
[英文釋義] Early preimplantation mammalian EMBRYO in the post-MORULA stage. Its structure consists of a TROPHOBLASTS-enclosed fluid-filled cavity with an inner cell mass. After EMBRYO IMPLANTATION,the inner cell mass of the blastocyst becomes the embryonic disc of the developing embryo.