Down syndrome
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(noun) a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation |
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Synonyms: Down's syndrome, mongolianism, mongolism, trisomy 21 |
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Related Words: backwardness, birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder, mental retardation, retardation, slowness, subnormality |
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