micromere

micromere
A blastomere of small size; for example, one of the blastomeres at the animal pole of an amphibian egg. [micro- + G. meros, a part]

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mi·cro·mere 'mī-krō-.mi(ə)r n one of the smaller blastomeres resulting from the unequal segmentation of an egg compare MACROMERE

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mi·cro·mere (miґkro-mēr) [micro- + -mere] one of the small blastomeres formed by unequal cleavage of a fertilized oocyte as the result of asymmetric positioning of the mitotic spindle. Cf. macromere.

Medical dictionary. 2011.

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Look at other dictionaries:

  • micromère — ● micromère nom masculin Petite cellule, souvent incolore, résultant des divisions successives des blastomères au début de la segmentation de l œuf. ⇒MICROMÈRE, subst. masc. BIOL. Blastomère de petite taille se formant par divisions successives… …   Encyclopédie Universelle

  • Micromere — Mi cro*mere, n. [Micro + mere.] (Biol.) One of the smaller cells, or blastomeres, resulting from the complete segmentation of a telolecithal ovum. [1913 Webster] …   The Collaborative International Dictionary of English

  • micromere — [mī′krō mir΄] n. [ MICRO + MERE] any of certain small cells produced by unequal cell division during early embryologic development in many animals, as in mollusks, flatworms, etc …   English World dictionary

  • micromere — noun Etymology: International Scientific Vocabulary Date: 1877 a small blastomere see blastula illustration …   New Collegiate Dictionary

  • micromere — n. [Gr. mikros, small; meros, part] Small cells of the animal pole in eggs with abundant yolk …   Dictionary of invertebrate zoology

  • micromere — /muy kreuh mear /, n. a small blastomere, as one of those that form toward the animal pole in embryos that undergo unequal cleavage or those that occur in the embryo of mammals. [1875 80; MICRO + MERE] * * * …   Universalium

  • micromere — noun An unusually small blastomere formed by unequal cleavage of a fertilized ovum …   Wiktionary

  • micromere — mi·cro·mere …   English syllables

  • micromere — mi•cro•mere [[t]ˈmaɪ krəˌmɪər[/t]] n. dvl one of the small blastomeres that form toward the animal pole in embryos that undergo unequal cleavage …   From formal English to slang

  • micromere — ˈmīkrəˌmi(ə)r noun ( s) Etymology: International Scientific Vocabulary micr + mere : one of the smaller blastomeres resulting from the unequal segmentation of an egg opposed to macromere; see blastula illustration …   Useful english dictionary

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