created sense approved 囊胚 · nángpēi · blastocyst
囊胚
nángpēi
blastocyst
The specific stage of mammalian embryonic development that precedes implantation, characterized by the formation of an inner cell mass.
医生建议将胚胎培养到囊胚阶段再进行植入。
created sense approved 囊胚 · nángpēi · blastula
囊胚
nángpēi
blastula
An early stage of embryonic development in animals, typically consisting of a hollow sphere of cells.
囊胚是多细胞动物胚胎发育的一个早期阶段。