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English Dictionary: blastosphere by the DICT Development Group
3 results for blastosphere
From WordNet (r) 3.0 (2006) [wn]:
blastosphere
n
  1. 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
    Synonym(s): blastula, blastosphere
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   d8Morula \[d8]Mor"u*la\, n.; pl. {Morul[91]}. [NL., dim. of L.
      morum a mulberry.] (Biol.)
      The sphere or globular mass of cells (blastomeres), formed by
      the clevage of the ovum or egg in the first stages of its
      development; -- called also {mulberry mass}, {segmentation
      sphere}, and {blastosphere}. See {Segmentation}.

From Webster's Revised Unabridged Dictionary (1913) [web1913]:
   Blastosphere \Blas"to*sphere\, n. [Gr. blasto`s sprout + E.
      sphere.] (Biol.)
      The hollow globe or sphere formed by the arrangement of the
      blastomeres on the periphery of an impregnated ovum.
  
      Note: [See Illust. of {Invagination}.]
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