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blastocyst

/ˈblæs.tə.sɪst/

翻译: 囊胚,指胎盘哺乳动物发育早期的一个阶段,其特征是细胞已初步分化为内细胞团和外围的滋养层。

1 个条目

noun

/ˈblæs.tə.sɪst/C1formalscientific
  • zh囊胚,指胎盘哺乳动物发育早期的一个阶段,其特征是细胞已初步分化为内细胞团和外围的滋养层。

A noun referring to the blastula of a placental mammal, characterized by the early differentiation of cells into an inner cell mass and an outer trophoblast layer.

  1. Early embryonic structureC1formalmedical

    A structure formed in the early development of mammals, consisting of a hollow ball of cells with an inner cell mass that will develop into the embryo.

    zh囊胚

    • The blastocyst implants into the uterine wall about a week after fertilization.
    • In IVF, the embryo is typically transferred at the blastocyst stage.
    • The inner cell mass of the blastocyst gives rise to the fetus.
词形
  • blastocysts plural form
  • blastocysts' possessive plural form
  • blastocyst's possessive singular form