sex chromatin

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sex chromatin

n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Barr′ bod`y

(bɑr)
n.
an inactive Xchromosome present in the nuclear membrane of female somatic cells, used for verifying the sex of an individual.
[1960–65; after Murray Latin. Barr (born 1908), Canadian physician]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sex chromatin - 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"
chromatin, chromatin granule - the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes
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