Medical term:
chromatin
chromatin
[kro´mah-tin]the substance of the chromosomes, composed of DNA and basic proteins (histones), the material in the nucleus that stains with basic dyes.
sex chromatin the persistent mass of the material of the inactivated X chromosome in cells of normal females; called also Barr body.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
chro·ma·tin
(krō'ma-tin),The genetic material of the nucleus consisting of deoxyribonucleoprotein that occurs in two forms during the phase between mitotic divisions: as heterochromatin, seen as condensed, readily stainable clumps; as euchromatin, dispersed lightly staining or nonstaining material. During mitotic division the chromatin condenses into chromosomes.
[G. chrōma, color]
Farlex Partner Medical Dictionary © Farlex 2012
chromatin
(krō′mə-tĭn)n.
A complex of nucleic acids and proteins, primarily histones, in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division.
chro′ma·tin′ic adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
chromatin
The threadlike stainable material seen in nuclei during interphase, which corresponds to chromosomes (nucleic acids/DNA, associated histones, and other proteins bundled into nucleosomes) in the eukaryotic nucleus.Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
chromatin
Genetics The stainable material of interphase nuclei corresponding to chromosomes; chromatin consists of nucleic acids–DNA and associated histone protein, which are packed into nucleosomes; euchromatin is loosely packed and accessible to RNA polymerases. See Salt & pepper chromatin. Cf Heterochromatin.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
chro·ma·tin
(krō'mă-tin)The genetic material of the nucleus, consisting of deoxyribonucleoprotein. During mitotic division, the chromatin condenses into chromosomes.
[G. chrōma, color]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
chromatin
DNA. The elongated, fine-stranded complex of roughly equal quantities of DNA and the protein histone, from which chromosomes are made by condensing into a coil. The individual chromosomes cannot be distinguished in a chromatin strand.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
chromatin
that part of the cell nucleus which becomes deeply stained with basic dyes. This is now known to be chromosomal material consisting of DNA together with HISTONE and nonhistone proteins.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
chro·ma·tin
(krō'mă-tin)The genetic ma terial of the nucleus, consisting of deoxy ribonucleoprotein. During mitotic division, the chromatin condenses into chromosomes.
[G. chrōma, color]
Medical Dictionary for the Dental Professions © Farlex 2012
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