Blastosphere

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Morula \Mor"u*la\, n.; pl. {Morulae}. [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}.


     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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}.]
           [1913 Webster]

From WordNet (r) 2.0 [wn]:

  blastosphere
       n : the blastula of mammals [syn: {blastocyst}]