chro|ma|tin

chro|ma|tin
chro|ma|tin «KROH muh tihn», noun.
1. a protein substance in the nucleus of an animal or plant cell; chromoplasm. The chromosomes are made up in part of chromatin. It consists of granules or threads of deoxyribonucleic acid and protein, absorbs basic stains readily, and draws together to form chromosomes during mitosis.
2. sex chromatin; Barr body: »

A cell component called chromatin is found in the nucleus of female cells but not in that of male cells (Science News Letter).


Useful english dictionary. 2012.

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Look at other dictionaries:

  • chro|ma|tin|ic — «KROH muh TIHN ihk», adjective. of or having to do with chromatin …   Useful english dictionary

  • a|chro|ma|tin — «ay KROH muh tihn», noun. Biology. that portion of the mitotic cell nucleus or of individual chromosomes which, under the action of staining agents, remains less highly colored than the rest …   Useful english dictionary

  • eu|chro|ma|tin — «yoo KROH muh tihn», noun. the chromatin of a chromosome containing the genes …   Useful english dictionary

  • het|er|o|chro|ma|tin — «HEHT uhr uh KROH muh tihn», noun. Biology. the chromatin of a chromosome that stains intensely. It is thought to regulate partially the metabolism of the cell nucleus. A sex chromosome may have large areas of heterochromatin …   Useful english dictionary

  • tin — ablas·tin; ac·ac·e·tin; ac·e·tin; achro·ma·tin; ac·tin; ac·tin·au·to·graph·ic; ac·tin·ia; ac·tin·i·ar·ia; ac·tin·ic; ac·tin·i·form; ac·tin·i·o·chrome; ac·tin·i·o·hem·a·tin; ac·tin·i·o·hem·a·tin; ac·tin·i·o·mor·pha; ac·tin·i·um; ac·tin·i·zoa;… …   English syllables

  • chromatin — chro·ma·tin …   English syllables

  • chromatinic — chro·ma·tin·ic …   English syllables

  • Chronistin — Chro|nist [kro nɪst], der; en, en, Chro|nis|tin [kro nɪstɪn], die; , nen: Verfasser[in] einer Chronik: er gilt als Chronist des Jahrhunderts. * * * Chro|nịs|tin, die; , nen: w. Form zu ↑ Chronist. * * * Chro|nịs|tin, die; , nen: w. Form zu… …   Universal-Lexikon

  • Chromatin — Chro|ma|tin 〈[ kro ] n. 11; unz.; Biochem.〉 bei basischen Färbungen sich bes. stark färbende Zellkernbestandteile [zu grch. chroma „Farbe“] * * * Chro|ma|tin [↑ Chromo (2) u. ↑ in (3)], das; s, e: ↑ Histon. * * * Chromatin   [ …   Universal-Lexikon

  • chromatin — chro•ma•tin [[t]ˈkroʊ mə tɪn[/t]] n. cbl the readily stainable substance of a cell nucleus that consists of DNA, RNA, and various proteins, and forms chromosomes during cell division • Etymology: < G (1880) < Gkchrōmat , s. ofchrômacolor +… …   From formal English to slang

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