释义 |
blas·to·sphere 英ˈblæstəˌsfɪə美ˈblæstəˌsfɪrAHDblăsʹtə-sfîr' 基本英英记法近义反义Thesaurus 囊胚¹⁰⁰
Noun: early stage of an embryo produced by cleavage of an ovum; a liquid-filled sphere whose wall is composed of a single layer of cells; during this stage about eight days after fertilization implantation in the wall of the uterus occursblasto-胚芽-sphere⇒囊胚近义词 blastula胞胚 as in.fetus 同义词 blastula,embryodeveloping infant,fertilized egg fetusnoun unborn young blastula,developing infant,embryo,fertilized egg |