DICT.TW Dictionary Taiwan

 blastulae
 blastula的複數形

 blastulae
      See blastula

 blastula
      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: blastodermic vesicle]
      [also: blastulae (pl)]