Canadian Medical Guide > Anatomy > Cells > Cellular Structures > Chromosomes > Sex Chromosomes > Sex Chromatin Terms and Definitions




Sex Chromatin

Medical Definition: In the interphase nucleus, a condensed mass of chromatin representing an inactivated X chromosome. Each X CHROMOSOME, in excess of one, forms sex chromatin (Barr body) in the mammalian nucleus. (from King & Stansfield, A Dictionary of Genetics, 4th ed)
Guide Notes: A 11 qualif except /cytol; /genet /isol permitted

Sex Chromatin Medical Definitions and Terms

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