meroblastic

meroblastic
mero·blas·tic .mer-ə-'blas-tik adj characterized by or being incomplete cleavage as a result of the presence of an impeding mass of yolk material (as in the eggs of birds) compare HOLOBLASTIC
mero·blas·ti·cal·ly -ti-k(ə-)lē adv

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mero·blas·tic (mer″o-blasґtik) [mero-1 + blast- + -ic] partially dividing; undergoing cleavage in which only part of the zygote participates; see under cleavage.

Medical dictionary. 2011.

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  • Meroblastic — Mer o*blas tic, a. (Biol.) Consisting only in part of germinal matter; characterized by partial segmentation only; as, meroblastic ova, in which a portion of the yolk only undergoes fission; meroblastic segmentation; opposed to holoblastic. [1913 …   The Collaborative International Dictionary of English

  • meroblastic — MEROBLÁSTIC, Ă, meroblastici, ce, s.f., adj. 1. s.f. (biol.) Proces de formare a blastomerelor în regiunea nucleului prin segmentarea (segmenta) oului sau a zigotului animal. 2. adj. De meroblastică (1). – Din fr. méroblastique. Trimis de… …   Dicționar Român

  • meroblastic — [mer΄ō blas′tik] adj. [< Gr meros, part (see MERIT) + BLAST + IC] Embryology undergoing only partial cleavage: said of certain ova with much yolk, as bird s eggs: cf. HOLOBLASTIC meroblastically adv …   English World dictionary

  • meroblastic cleavage — meroblastic cleavage. См. меробластическое дробление. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • meroblastic — adjective Etymology: International Scientific Vocabulary Date: 1870 characterized by incomplete cleavage as a result of the presence of a mass of yolk material compare holoblastic • meroblastically adverb …   New Collegiate Dictionary

  • meroblastic — an egg of which only part undergoes cleavage usually one with a large amount of yolk which is not incorporated into the developing egg, e.g. in Myxini, Elasmobranchii, Holocephali, many teleosts …   Dictionary of ichthyology

  • meroblastic — meroblastically, adv. /mer euh blas tik/, adj. Embryol. (of certain eggs) undergoing partial cleavage, resulting in unequal blastomeres. Cf. holoblastic. [1865 70; MERO + BLAST + IC] * * * …   Universalium

  • meroblastic — adjective that undergoes only partial cleavage …   Wiktionary

  • meroblastic — adj. partially split (Embryology) …   English contemporary dictionary

  • meroblastic — mero·blas·tic …   English syllables

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