Blastosphere
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]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • blastosphere — [blas′təsfir΄] n. [ BLASTO + SPHERE] BLASTULA …   English World dictionary

  • blastosphere — 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},… …   The Collaborative International Dictionary of English

  • blastosphere — /blas teuh sfear /, n. Embryol. a blastula, esp. a blastocyst. [BLASTO + SPHERE] * * * …   Universalium

  • blastosphere — noun A blastula …   Wiktionary

  • blastosphere — blas·to·sphere blas təs .fi(ə)r n BLASTULA esp BLASTOCYST blas·to·spher·ic .blas təs fi(ə)r ik, fer adj * * * blas·to·sphere (blasґto sfēr) [blasto + sphere] blastula …   Medical dictionary

  • blastosphère — (entrée créée par le supplément) (bla sto sfê r ) s. f. Terme d embryogénie. •   Sphère de blastème, H. FOL Acad. des sc. Comptes rendus, t. LXXXI, p. 523 …   Dictionnaire de la Langue Française d'Émile Littré

  • blastosphere — n. (Embryology) blastula, cavity surrounded by a single layer of cells (first stage in the life of an embryo) …   English contemporary dictionary

  • blastosphere — blas·to·sphere …   English syllables

  • blastosphere — /ˈblæstəsfɪə/ (say blastuhsfear) noun 1. → blastula. 2. → blastocyst (def. 2) …   Australian English dictionary

  • blastosphere — noun 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 …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”