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heterochromatin

[het-er-uh-kroh-muh-tin]
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noun Genetics.
  1. the dense, highly stainable part of a chromosome.
Compare euchromatin.

Origin of heterochromatin

First recorded in 1930–35; hetero- + chromatin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for heterochromatin

heterochromatin

noun
  1. the condensed part of a chromosome that stains strongly with basic dyes in nondividing cells and has little genetic activityCompare euchromatin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

heterochromatin in Medicine

heterochromatin

([object Object])
n.
  1. The part of the chromonema that remains tightly coiled and condensed during interphase and thus stains readily.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

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