Preferred Label : Down Syndrome;
NCIt synonyms : Trisomy 21 Syndrome; Trisomy 21 (Down Syndrome);
NCIt related terms : Trisomy 21; Down's Syndrome;
NCIt definition : A chromosomal dysgenesis syndrome resulting from a triplication or translocation of
chromosome 21. Down syndrome occurs in approximately 1:700 live births. Abnormalities
are variable from individual to individual and may include mental retardation, retarded
growth, flat hypoplastic face with short nose, prominent epicanthic skin folds, small
low-set ears with prominent antihelix, fissured and thickened tongue, laxness of joint
ligaments, pelvic dysplasia, broad hands and feet, stubby fingers, transverse palmar
crease, lenticular opacities and heart disease. Patients with Down syndrome have an
estimated 10 to 30-fold increased risk for leukemia; most have symptoms of Alzheimer's
disease by age 40. Also known as trisomy 21 syndrome.;
Alternative definition : NCI-GLOSS: A disorder caused by the presence of an extra chromosome 21 and characterized
by mental retardation and distinguishing physical features.; NICHD: A chromosomal dysgenesis syndrome resulting from a triplication or translocation
of chromosome 21. This condition is characterized by distinctive facial and physical
features: short stature, developmental delay, cardiac defects (atrioventricular septal
defect, tetralogy of Fallot), hypo- and hyperthyroidism, autoimmune disease (type
1 diabetes mellitus), and hypogonadism.;
Codes from synonyms : CDR0000045488;
Origin ID : C2993;
UMLS CUI : C0013080;
Currated CISMeF NLP mapping
DO Cross reference
Semantic type(s)
UMLS correspondences (same concept)
Validated automatic mappings to NTBT
associated_with_malfunction_of_gene_product
concept_is_in_subset
disease_has_associated_disease
disease_has_associated_gene
disease_mapped_to_chromosome
https://www.pedia-univ.fr/deuxieme-cycle/referentiel/enfant-vulnerable-genetique/trisomie-21
2024
France
educational course
trisomy
Trisomy 21
down syndrome
Down Syndrome
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