DICT.TW Dictionary Taiwan

 blas·to·der·mic vesicle /ˈblæstəˌdɚ/

 blas·to·derm·ic vesicle /ˌblæstəˌdɝmɪk-/ 名詞
 胚泡,胚囊泡

 blastodermic vesicle
      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 [syn: blastula]