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 and marked usually by moderate to severe intellectual disabilities, short stature, and a flattened facial profile. Also called trisomy 21.

[After John Langdon Haydon Down (1828-1896), British physician.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Down′

(or Down's′) syn′drome


n.
a genetic disorder associated with the presence of an extra chromosome 21, characterized by mental retardation, weak muscle tone, and epicanthic folds at the eyelids.
Formerly, mongolism. Also called trisomy 21.
[1960–65; after John Latin. H. Down (1828–96), British physician]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Down syndrome

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 American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
síndrome de Down
Downin oireyhtymäDownin syndroomamongolismimongoloidismi
syndrome de Down
sindrom Down
ダウン症
downsyndroommongolismesyndroom van Down
Downs syndrom

Down syn·drome

[MIM*190685]
n. síndrome de Down, anormalidad citogenética del cromosoma 21 caracterizada por retraso mental y facciones mongoloides.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
The event was organized in collaboration with the Down Syndrome Society Nepal to create awareness about down-syndrome and to collect funds for the operation of the organization.
Amid the growing rate of abortion in fetuses with Down syndrome, Dr.
Summary: Nawal won the award in recognition of her outstanding achievements that have enriched the lives of people with Down Syndrome.
The World Down Syndrome Day (WDSD) is marked on March 21 every year.
It turned out there was a reason for the wackiness; it was to mark World Down Syndrome Day and then I clocked that my friend also had some bright odd socks on.
Tribune News Network Doha A woman's risk of conceiving a child with Down Syndrome, a genetic condition characterised by abnormal cell division resulting in an extra full or partial copy of chromosome 21, increases after 35 years of age, Mariam al Mulla, a genetic counsellor at Hamad Medical Corporation (HMC), has said.
GiGi's Playhouse Down Syndrome Achievement Centers celebrated World Down Syndrome Day on Thursday with an open house at its Hoffman Estates headquarters at 2350 W.
BY LIZ FARSACI A DEDICATED mum is working to break down barriers as Ireland marks World Down Syndrome Day.
National Assembly Speaker Marzouq Al-Ghanim receives a group of Down Syndrome's students on the occasion of the World Down Syndrome Day KUWAIT, March 21 (KUNA) -- National Assembly Speaker Marzouq Ali Al-Ghanim received at his bureau on Thursday a group of Down Syndrome's students on the occasion of the World Down Syndrome Day.
A LITTLE girl with Down Syndrome has been chosen as the face of an international campaign to challenge outdated perceptions.
Oman Down Syndrome Association will join the rest of the world in marking World Down Syndrome Day on Thursday.

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