Trisomy 21
| Trisomy 21 | |
|---|---|
| Term | Trisomy 21 |
| Short definition | Trisomy 21 - (pronounced) (TRY-soh-mee. |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
Trisomy 21 - (pronounced) (TRY-soh-mee. . . ) genetic disorder caused by an extra chromosome 21 in some or all of the body's cells. Trisomy 21 is characterized by mild to severe growth, development, and learning delays. People with trisomy 21 often have certain distinctive physical features, such as: B. below average height, a flat face with a short nose, slanting and almond-shaped eyes, small ears, a short neck, a tongue protruding from the mouth, small hands and feet, and a deep line that goes across the palm. People with trisomy 21 can also have muscle weakness, loose joints, heart defects, and other health problems. Having trisomy 21 increases the risk of developing Alzheimer's disease early, usually around age 50, and leukemia, especially in young children. Trisomy 21 is not usually inherited (passed from parent to child). Also called Down syndrome
External links
- Medical encyclopedia article on Trisomy 21
- Wikipedia's article - Trisomy 21
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