Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

NLM Logo

X Chromosome MeSH Descriptor Data 2026


MeSH Heading
X Chromosome
Tree Number(s)
A11.284.187.865.982
G05.360.162.865.982
Unique ID
D014960
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D014960
Annotation
abnormalities: coordinate IM with SEX CHROMOSOME ABERRATIONS (IM) or specific diseases (IM) + SEX CHROMOSOME ABERRATIONS (NIM); X-lined disease = GENETIC DISEASES, X-LINKED or specifics; X CHROMOSOME, HUMAN is also available
Scope Note
The female sex chromosome, being the differential sex chromosome carried by half the male gametes and all female gametes in human and other male-heterogametic species.
NLM Classification #
QU 470
Previous Indexing
Chromosomes (1966-1967)
Karyotyping (1967)
Sex Chromosomes (1968-1977)
Public MeSH Note
84; was see under SEX CHROMOSOMES 1968-83
Online Note
search SEX CHROMOSOMES 1968-77
History Note
84(78); was see under SEX CHROMOSOMES 1968-83
Date Introduced
1984/01/01
Last Updated
2013/07/09
X Chromosome Preferred
page delivered in 0.137s