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Down syndrome

   Also found in: Medical, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
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 syndromeDown 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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Chicago, IL -- Newly qualified obstetric nurse Mary Bauer refused her first assignment-to assist in the abortion of a 22-week-gestation baby with Down syndrome.
Professionals can use the information to explain to parents what a child with Down syndrome can do at different stages of development, and to provide parents with activities to do at home that will help the child master emerging motor skills.
We have a 21-month-old daughter who was born with Down Syndrome.
 
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