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Down syndrome

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Down syndrome  (doun) or Down's syndrome (dounz)
n.
A congenital disorder, caused by the presence of an extra 21st chromosome, in which the affected person has mild to moderate mental retardation, short stature, and a flattened facial profile. Also called trisomy 21.

[After John Langdon Haydon Down (1828-1896), British physician.]

Down syndrome (doun) or Down's Syndrome  (dounz)
A congenital disorder caused by the presence of an extra 21st chromosome. People with Down syndrome have mild to moderate mental retardation, short stature, and a flattened facial profile. The syndrome is named after its discoverer, British physician John Langdon Haydon Down (1828-1896).
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.Down syndrome - a congenital disorder caused by having an extra 21st chromosomeDown syndrome - a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
trisomy - chrosomal abnormality in which there is one more than the normal number of chromosomes in a cell


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The research team studied mice with Down syndrome type symptoms including significant cognitive deficits and dysfunction and degeneration of LC neurons (with origination in locus coeruleus) to come up with their finding.
Boosting a neurotransmitter called norepinephrine in sufferers of Down Syndrome could help reverse the condition, which is the most common cause of mental retardation in children, a study showed Wednesday.
com 'Differently abled', children with Down Syndrome can still provide a positive impact on the world.
 
 
 
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