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Twins MeSH Descriptor Data 2025


MeSH Heading
Twins
Tree Number(s)
M01.438.873
Unique ID
D014427
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D014427
Annotation
human only: for animals use LITTER SIZE; PREGNANCY, TWIN is also available
Scope Note
Two individuals derived from two FETUSES that were fertilized at or about the same time, developed in the UTERUS simultaneously, and born to the same mother. Twins are either monozygotic (TWINS, MONOZYGOTIC) or dizygotic (TWINS, DIZYGOTIC).
See Also
Diseases in Twins
Date Established
1966/01/01
Date of Entry
1999/01/01
Revision Date
2011/06/24
Twins Preferred
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