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Twins, Monozygotic MeSH Descriptor Data 2026


MeSH Heading
Twins, Monozygotic
Tree Number(s)
M01.438.873.940
Unique ID
D014430
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D014430
Annotation
TWINNING, MONOZYGOTIC is also available
Scope Note
Two off-spring from the same PREGNANCY. They are from a single fertilized OVUM that split into two EMBRYOS. Such twins are usually genetically identical and of the same sex.
Entry Term(s)
Monochorionic Diamniotic Twins
Monochorionic Monoamniotic Twins
Twins, Identical
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
2024/08/09
Twins, Monozygotic Preferred
Monochorionic Diamniotic Twins Narrower
Monochorionic Monoamniotic Twins Narrower
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