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more about blastosphere
blastosphere |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Morula \Mor"u*la\, n.; pl {Morul[ae]}. [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}.] From WordNet r 1.6 [wn]: blastosphere n : early stage of an embryo produced by cleavage of an ovum; a hollow sphere whose wall is composed of a single layer of cells [syn: {blastula}, {blastodermic vesicle}]
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