micronucleus

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mi·cro·nu·cle·us

 (mī′krō-no͞o′klē-əs, -nyo͞o′-)
n. pl. mi·cro·nu·cle·i (-klē-ī′) or mi·cro·nu·cle·us·es
The smaller of two nuclei in ciliate protozoans that contains genetic material and functions in reproduction.

mi′cro·nu′cle·ar adj.

micronucleus

(ˌmaɪkrəʊˈnjuːklɪəs)
n, pl -clei (-klɪˌaɪ) or -cleuses
(Zoology) the smaller of two nuclei in ciliated protozoans, involved in reproduction. Compare macronucleus

mi•cro•nu•cle•us

(ˌmaɪ kroʊˈnu kli əs, -ˈnyu-)

n., pl. -cle•i (-kliˌaɪ)
the smaller of the two types of nuclei in ciliate protozoans, functioning in reproduction.
[1890–95]
mi`cro•nu′cle•ar, adj.
Translations

mi·cro·nu·cle·us

n. micronúcleo, el núcleo más pequeño de una célula que posee más de un núcleo.
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References in periodicals archive ?
Sex chromosome loss, micronuclei, sister chromatid exchange and aging: a study including 16 centenarians.
The incidence of micronuclei serves as an index of clastogenicity.
Figure 1 shows the results of micronuclei counts per 1,000 polychromatic erythrocytes in each animal of different groups.
Crebelli, "Assessment of the in vivo genotoxicity of vanadate: analysis of micronuclei and DNA damage induced in mice by oral exposure," Toxicology Letters, vol.
Key words: Birds, Copper sulphate, Arsenic, Hematology, Micronuclei, Nuclear remnants.
Hydroquinone increases the frequency of micronuclei in a dose dependent manner in mouse bone marrow.
Micronuclei (Figure 1) are counted using Tolbert et al criteria.
The mechanisms leading to the formation of micronuclei are chromosome breakage and incorrect chromosome-segregation system.
The procedure for scoring micronuclei (MNi), nucleoplasmatic bridges (NPBs) and nuclear buds (NBUDs) were carried out according to Fenech (2000).
damage to the chromosomes, fragments lagging in the course of anaphase or lagging acentric chromosomes or cytoplasmic chromatin-containing bodies are failed to be incorporated into daughter nuclei (clastogenesis), results in the development of micronuclei in red blood cells (Sharaf et al.