BSL Sign Language Dictionary
Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: 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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Similiar / Same: Down syndrome, trisomy 21
Categories: backwardness, birth defect, congenital abnormality, congenital anomaly, congenital defect, congenital disorder, intellectual disability, retardation, slowness, subnormality, trisomy
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