The micronucleus is the smaller nucleus in ciliate protozoans, such as the Paramecium. In fission it divides by mitosis, and in conjugation it furnishes the pairing of gamete nuclei, by whose reciprocal fusion a zygote nucleus is formed, which gives rise to the macronuclei and micronuclei of the individuals of the next cycle of fission. ==Other me...
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http://en.wikipedia.org/wiki/Micronucleus
(from the article `ciliate`) Ciliates have one or more macronuclei and from one to several micronuclei. The macronuclei control metabolic and developmental functions; the ... Paramecia have two kinds of nuclei: a large ellipsoidal nucleus called a macronucleus and at least one small nucleus called a micronucleus. Both ... ...permitti...
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http://www.britannica.com/eb/a-z/m/85
<cell biology> 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. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973
(mi″kro-noo´kle-әs) in ciliate protozoa, the kinetoplast, the smaller of two types of nucleus in each cell, which functions in sexual reproduction. a small nucleus. nucleolus.
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http://www.encyclo.co.uk/local/21001
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.
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http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: mī′krō-nū′klē-ŭs Definitions: 1. A small nucleus in a large cell, or the smaller nuclei in cells that have two or more such structures. 2. The smaller of the two nuclei in ciliates dividing mitotically and bearing specific inheritable material. Synonyms: gametic nucleus, germ nucleus, g...
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http://www.medilexicon.com/medicaldictionary.php?t=55241
micronucleus (s), micronuclei (pl) The smaller of the two nuclei in the cells of ciliate protozoans. It contains genetic material and is involved in sexual reproduction.
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http://www.wordinfo.info/words/index/info/view_unit/1423/
smaller nucleus in ciliate protists that have two nuclei; diploid, somatic, and used for sexual reproduction through conjugation
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
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