blastomere

blastomere
One of the cells into which the egg divides after its fertilization. SYN: cleavage cell, embryonic cell. [blasto- + G. meros, part]

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blas·to·mere 'blas-tə-.mi(ə)r n a cell produced during cleavage of a fertilized egg called also cleavage cell
blas·to·mer·ic .blas-tə-'mi(ə)r-ik, -'mer- adj

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n.
any of the cells produced by cleavage of the zygote, comprising the earliest stages of embryonic development until the formation of the blastocyst. Blastomeres divide repeatedly without growth and so decrease in size.

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blas·to·mere (blasґto-mēr) [blasto- + -mere] one of the cells produced by cleavage of a zygote; called also cleavage cell.

Medical dictionary. 2011.

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Look at other dictionaries:

  • blastomère — [ blastɔmɛr ] n. m. • 1877; de blasto et gr. meros « partie » ♦ Biol. Cellule du blastoderme provenant des premières divisions de l œuf fécondé (⇒ blastula, morula). ● blastomère nom masculin Cellules résultant des divisions successives de l œuf… …   Encyclopédie Universelle

  • Blastomere — Latin blastomerus Code TE E7.0.1.2.0.0.2 A blastomere is a type of cell produced by division of the egg after fertilization. See also Blastocoel Blastula Human fertilization Morula …   Wikipedia

  • Blastomere — Blastomère Un blastomère, ou blastocyte, est une cellule qui dérive des premières divisions ou segmentation du zygote durant le développement embryonnaire. Ce terme dérive du grec blastos qui signifie germe ou bourgeon et de meros qui signifie… …   Wikipédia en Français

  • Blastomere — Blas to*mere, n. [Gr. blasto s sprout + mere.] (Biol.) One of the segments first formed by the division of the ovum. Balfour. [1913 Webster] …   The Collaborative International Dictionary of English

  • blastomere — [blas′tō mir΄, blas′təmir΄] n. [ BLASTO + MERE] any of the cells resulting from the first few divisions of the ovum after fertilization blastomeric [blas′tōmər′ik, blas′təmer′ik] adj …   English World dictionary

  • Blastomère — Un blastomère, ou blastocyte, est une cellule qui dérive des premières divisions ou segmentation du zygote durant le développement embryonnaire. Ce terme dérive du grec blastos qui signifie germe ou bourgeon, et meros qui signifie… …   Wikipédia en Français

  • blastomere biopsy — a technique for preimplantation genetic diagnosis, in which a blastomere is removed from a 6 or 8 cell embryo and tested for genetic abnormalities …   Medical dictionary

  • blastomere — noun Etymology: International Scientific Vocabulary Date: 1877 one of the cells that are produced during cleavage of a zygote and that form the morula …   New Collegiate Dictionary

  • blastomere — individual cells forming the early embryo of Teleostei …   Dictionary of ichthyology

  • blastomere — n. [Gr. blastos, bud; meros, part] Cells formed during primary cleavage of an egg, before the formation of a distinct gastrula stage …   Dictionary of invertebrate zoology

  • blastomere — One of the cells produced as the result of cell division, cleavage, in the fertilized egg …   Dictionary of molecular biology

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