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Twins, Dizygotic MeSH Descriptor Data 2026


MeSH Heading
Twins, Dizygotic
Tree Number(s)
M01.438.873.920
Unique ID
D014429
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D014429
Scope Note
Two offspring from the same PREGNANCY. They are from two OVA, fertilized at about the same time by two SPERMATOZOA. Such twins are genetically distinct and can be of different sexes.
Entry Term(s)
Twins, Fraternal
Public MeSH Note
91; was see under TWINS 1975-90
History Note
91(75); was see under TWINS 1975-90
Date Introduced
1991/01/01
Last Updated
2011/06/24
Twins, Dizygotic Preferred
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