A congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation. Synonyms: Down's syndrome, Down syndrome, mongolianism, mongolism.
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Words linked to "Trisomy 21" : trisomy, birth defect, Down's syndrome, congenital defect, congenital abnormality, congenital anomaly, congenital disorder |
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