euchromatin

euchromatin
The parts of chromosomes that, during interphase, are uncoiled dispersed threads and not stained by ordinary dyes; metabolically active, in contrast to the inert heterochromatin.

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eu·chro·ma·tin (')yü-'krō-mət-ən n the genetically active portion of chromatin that is largely composed of genes
eu·chro·mat·ic .yü-krō-'mat-ik adj

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n.
chromosome material (see chromatin) that stains most deeply during mitosis and represents the major genes. Compare heterochromatin.

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eu·chro·ma·tin (u-kroґmə-tin) [eu- + chromatin] the form of chromatin that is genetically active and constitutes the majority of the chromosomes; it is relatively uncoiled and stains lightly during interphase and condenses and stains more darkly during nuclear division. Cf. heterochromatin. euchromatic adj

Medical dictionary. 2011.

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  • Euchromatin — is a lightly packed form of chromatin that is rich in gene concentration, and is often (but not always) under active transcription. Unlike heterochromatin, it is found in both eukaryotes and prokaryotes.tructureThe structure of euchromatin is… …   Wikipedia

  • euchromatin — euchromatin. См. эухроматин. (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.

  • Euchromatin —   das, s, die nur schwach anfärbbaren Chromosomenabschnitte, Chromosomen …   Universal-Lexikon

  • Euchromatin — Euchromatin, beim Übergang vom Teilungskern zum Interphasekern sich auflockerndes Chromatin, schwächer anfärbbar als das kondensierte ⇒ Heterochromatin, wird in der Interphase vor dem Heterochromatin repliziert. Nur das E. wird transkribiert …   Deutsch wörterbuch der biologie

  • euchromatin — [yo͞o krō′mə tin] n. [Ger: see EU & CHROMATIN] Biol. the portion of the chromatin that accepts a light stain and contains most of the active genetic material: cf. HETEROCHROMATIN …   English World dictionary

  • Euchromatin — Das Euchromatin stellt die Bereiche des aufgelockerten Chromatingerüsts im Karyoplasma einer Zelle dar. Im Gegensatz zum Heterochromatin liegt die Desoxyribonucleinsäure (DNA) hier in weniger dicht gepackter Form vor. Im Euchromatin befinden sich …   Deutsch Wikipedia

  • euchromatin — noun Etymology: International Scientific Vocabulary Date: 1932 the part of chromatin that is genetically active and is largely composed of genes • euchromatic adjective …   New Collegiate Dictionary

  • euchromatin — The chromosomal regions that are diffuse during interphase and condensed at the time of nuclear division. They show what is considered to be the normal pattern of staining (eu = true) as opposed to heterochromatin …   Dictionary of molecular biology

  • euchromatin — euchromatic /yooh kreuh mat ik/, adj. /yooh kroh meuh tin/, n. Genetics. the part of a chromosome that condenses maximally during metaphase and contains most of the genetically active material. [1930 35; EU + CHROMATIN] * * * …   Universalium

  • euchromatin — noun uncoiled dispersed threads of chromosomal material that occurs during interphase; it stains lightly with basic dyes …   Wiktionary

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