National Cancer Institute Thesaurus

Last uploaded: February 23, 2024
Preferred Name

Complete Trisomy 21 Syndrome

Synonyms

Complete Trisomy 21 Syndrome

Down Syndrome

Definitions

A syndrome characterized by the presence of three complete copies of genetic material for chromosome 21, instead of the normal two. It leads to a variety of abnormalities that include mental retardation, macroglossia, microgenia, epicanthic eyelids, and a single transverse palmar crease.

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C101222

ALT_DEFINITION

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.

code

C101222

Concept_In_Subset

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C90259

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C118467

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C99147

Contributing_Source

NICHD

DEFINITION

A syndrome characterized by the presence of three complete copies of genetic material for chromosome 21, instead of the normal two. It leads to a variety of abnormalities that include mental retardation, macroglossia, microgenia, epicanthic eyelids, and a single transverse palmar crease.

FULL_SYN

Complete Trisomy 21 Syndrome

Down Syndrome

label

Complete Trisomy 21 Syndrome

NCI_META_CUI

CL435606

Preferred_Name

Complete Trisomy 21 Syndrome

prefixIRI

Thesaurus:C101222

Semantic_Type

Disease or Syndrome

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C2993

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