micronucleus
noun Etymology: New Latin Date: 1887 a minute nucleus; specifically one that is primarily concerned with reproductive and genetic functions in most ciliated protozoans

New Collegiate Dictionary. 2001.

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  • micronucléus — [ mikronykleys ] n. m. • 1888; de micro et nucléus ♦ Biol. Le plus petit des deux types de noyaux des cellules des protozoaires ciliés, associé aux fonctions génétiques. On dit aussi MICRONOYAU . ● micronucleus nom masculin Le plus petit des deux …   Encyclopédie Universelle

  • micronucleus — micronucleus. См. микронуклеус. (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.

  • micronucleus — [mī΄krō no͞o′klē əs, mī΄krōnyo͞o′klē əs] n. the smaller of two types of nuclei present in the cells of ciliated protozoans, associated primarily with reproduction and genetics micronuclear adj …   English World dictionary

  • Micronucleus — A the micronucleus is the smaller nucleus in ciliate protozoans, such as the paramecium. In fission it divides by mitosis, and in conjugation furnishes the pairing of gamete nuclei, by whose reciprocal fusion a zygote nucleus is formed, which… …   Wikipedia

  • micronucleus — The smaller nucleus in ciliate protozoans, fully active in inheritance and passed after meiosis to conjugating pairs. Gives rise to the macronucleus or macronuclei. Genes in the micronucleus are not actively transcribed …   Dictionary of molecular biology

  • micronucleus — mikrobranduolys statusas T sritis augalininkystė apibrėžtis Darinys, kurį sudaro atskiros chromosomos ar bivalentos, apgaubtos apvalkalu, ir kuris mitozės ar mejozės metu lieka citoplazmoje. atitikmenys: angl. micronucleus rus. микроядро …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • micronucleus — mikrobranduolys statusas T sritis augalininkystė apibrėžtis Pažeista chromosoma, aptinkama citocheminiais metodais. atitikmenys: angl. micronucleus rus. микроядро …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • micronucleus — (mi kro nu kle us) The smaller of the two nuclei in ciliate protozoa. Micronuclei are diploid and involved only in genetic recombination and the regeneration of macronuclei …   Dictionary of microbiology

  • micronucleus — micronuclear, adj. /muy kroh nooh klee euhs, nyooh /, n., pl. micronuclei / klee uy /. Biol. the smaller of the two types of nuclei occurring in ciliate protozoans. Cf. macronucleus. [1890 95; MICRO + NUCLEUS] * * * …   Universalium

  • micronucleus — noun a) A small nucleus b) The smaller of the nuclei of a ciliate protozoan …   Wiktionary

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