MeSH Browser

MeSH Heading: Sex Chromatin
Tree Number(s): A11.284.187.865.800; A11.284.430.106.279.345.190.160.180.383.800; G05.360.160.180.383.800; G05.360.162.865.800
Unique ID: D012728
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D012728
Scope Note: 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)
Entry Term(s): Barr Bodies; Chromatin, Sex
NLM Classification #: QU 470
See Also: Sex Determination Analysis
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2013/07/09

Allowable Qualifiers: chemistry (CH)

classification (CL)

drug effects (DE)

enzymology (EN)

genetics (GE)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathology (PA)

physiology (PH)

radiation effects (RE)

transplantation (TR)

ultrastructure (UL)

virology (VI)

Sex Chromatin MeSH Descriptor Data 2025