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Trisomy 18 Syndrome MeSH Descriptor Data 2026


MeSH Heading
Trisomy 18 Syndrome
Tree Number(s)
C14.240.400.975
C14.280.400.975
C16.131.077.929
C16.131.240.400.968
C16.131.260.932
C16.320.180.932
Unique ID
D000073842
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000073842
Scope Note
A chromosome disorder associated with TRISOMY of all or part of CHROMOSOME 18. Clinical manifestations include INTRAUTERINE GROWTH RETARDATION; CLEFT PALATE; CONGENITAL HEART DEFECTS; MICROCEPHALY; MICROGNATHIA and clenched fists with overlapping fingers. Most affected fetuses do not survive to birth. Those who survive through their first year often have severe INTELLECTUAL DISABILITY.
Entry Term(s)
Complete Trisomy 18 Syndrome
Edwards Syndrome
Mosaic Trisomy 18 Syndrome
Trisomy 18
Trisomy E Syndrome
Public MeSH Note
2018; TRISOMY 18 was indexed under CHROMOSOMES, HUMAN, PAIR 18; and TRISOMY 2014-2017
History Note
2018
Date Introduced
2018/01/01
Last Updated
2018/05/23
Trisomy 18 Syndrome Preferred
Trisomy 18 Narrower
Mosaic Trisomy 18 Syndrome Narrower
Complete Trisomy 18 Syndrome Narrower
Trisomy E Syndrome Narrower
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