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Dictionary » Trisomy 21

Trisomy 21

Introduction: Trisomy 21

Description of Trisomy 21

Trisomy 21 (medical condition): A genetic chromosomal syndrome affecting physical features and usually causing mental retardation. It is caused by having an extra third copy of ...more

Trisomy 21: See also:

Down Syndrome:
  »Introduction: Down Syndrome
  »Symptoms of Down Syndrome

Trisomy 21: 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. --2004
Source: Diseases Database

Trisomy 21: Related Topics

These medical condition or symptom topics may be relevant to medical information for Trisomy 21:

Trisomy 21: Rare Disease


Ophanet, a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Trisomy 21 as a "rare disease".

Source - Orphanet

Trisomy 21 as a Disease

Trisomy 21: Another name for Down Syndrome (or close medical condition association).
  »Introduction: Down Syndrome
  »Symptoms of Down Syndrome

Trisomy 21: Related Diseases

Trisomy 21: Trisomy 21 is listed as a type of (or associated with) the following medical conditions in our database:

Symptoms of Trisomy 21 (Down Syndrome)

Some of the symptoms of Trisomy 21 incude:

Trisomy 21: Related Disease Topics

These medical disease topics may be related to Trisomy 21:

Terms associated with Trisomy 21:

Terms Similar to Trisomy 21:

Source: Diseases Database

External links related to: Trisomy 21

Source: Diseases Database

Interesting Medical Articles:

Medical dictionaries:

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