sex chromatin
noun Date: 1952 Barr body

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • sex chromatin — n BARR BODY * * * chromatin found only in female cells and believed to represent a single X chromosome in a nondividing cell. It can be used to discover the sex of a baby before birth by examination of cells obtained by amniocentesis or chorionic …   Medical dictionary

  • sex chromatin — sex chromatin. См. половой хроматин. (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.

  • sex chromatin — noun chromatin found only in female cells the presence or absence of sex chromatin in cells obtained by amniocentesis makes it possible to determine the sex of a fetus • Hypernyms: ↑chromatin, ↑chromatin granule …   Useful english dictionary

  • sex chromatin — chromatin found only in female cells and believed to represent a single X chromosome in a nondividing cell. It can be used to discover the sex of a baby before birth by examination of cells obtained by amniocentesis or chorionic villus sampling.… …   The new mediacal dictionary

  • sex chromatin — sex′ chro matin n. gen Barr body • Etymology: 1950–55 …   From formal English to slang

  • Sex-Chromatin — Der Zellkern eines menschlichen, weiblichen Fibroblasten wurde mit dem blau fluoreszierenden …   Deutsch Wikipedia

  • sex chromatin — Condensed chromatin of the inactivated X chromosome in female mammals (Barr body) …   Dictionary of molecular biology

  • sex chromatin — Genetics. See Barr body. [1950 55] * * * …   Universalium

  • sex chromatin test — (for determination of chromosomal sex) examination of somatic cells for presence of a Barr body at the periphery of the nucleus; an index of the presence of two X chromosomes, as in a normal XX female, but also giving a positive result with… …   Medical dictionary

  • Хроматин Половой (Sex Chromatin) — хроматин, присутствующий только в женских соматических клетках и представляющий одну инактивированную Х хромосому, которая остается в конденсированной форме. В соматических клетках женщины содержится по одной активной Х хромосоме. По половому… …   Медицинские термины

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