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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 blas·tu·la /ˈblæsʧələ/
 胞胚

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 blas·tu·la /ˈblæsʧələ/ 名詞
 囊胚

From: Webster's Revised Unabridged Dictionary (1913)

 Blas·tu·la n.  Biol. That stage in the development of the ovum in which the outer cells of the morula become more defined and form the blastoderm.
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From: WordNet (r) 2.0

 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)]