blastulas

听听怎么读
[ˈblæstjuləz]
是什么意思
  • n.

    囊胚( blastula的名词复数 );

  • 英英释义

    blastula[ 'blæstjulə ]

    • n.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 occurs

      同义词:blastodermic vesicle

    学习怎么用

    双语例句

    用作名词(n.)
    1. The cells of the blastula, called blastomeres, also each receive a full diploid set of chromosomes.
      这些囊胚细胞,称卵裂球,每个细胞都有一套二倍体染色体组。
    2. Cleavage produces a blastula, a sheet of cells rounded into a sphere that in most species surrounds a cavity.
      卵裂产生一个囊胚,形成的细胞壁球形排列形成一个空腔。

    权威例句

    Blastulas, Gastrulas and the First Animals
    On abnormal blastulas in Elephantulus
    [Production of partial blastulas by parthenogenesis in Xenopus]
    Comment se nomme les blastulas qui ne présentent pas de blaslocoele ?
    Parthenogenesic production of partial blastulas in Xenopus
    Derivation of embryonic cell lines from red sea bream blastulas
    Derivation of a pluripotent embryonic cell line from red sea bream blastulas
    Method for analyzing embryo quality based on molecular immunoassay of mammalian blastulas
    [Nuclear labeling of blastulas and embryonal explants of amphibians by tritiated thymidine. Evolvement of the labeled nuclei in the ...
    Derivation and characterization of a ES-like cell line from indian catfish Heteropneustes fossilis blastulas.