Medical Definition of Chromatin
Chromatin: The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made up of DNA attached to a protein structure, together with chromosomal RNA. Chromatin exists in two states, euchromatin and heterochromatin, with different staining and functional properties.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 9/14/2016
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