Down Syndrome - Definition - Law Dictionary Home Dictionary Definition down-syndrome

Definition :

A congenital disorder caused by an extra chromosome 21 in some or all cells It causes a variable number and degree of abnormalities including retarded growth mental retardation a short nose prominent epicanthic folds on the eyelids a protruding lower lip and other physical features having varying degrees of deviation from the normal Called also mongolism trisomy 21 and trisomy 21 syndrome