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John Langdon H., English physician, 1828-1896. See: Down syndrome.


1. Fine, soft, fluffy feathers forming the first plumage of a young bird and underlying the contour feathers in certain adult birds.
2. A soft, silky, or feathery substance, such as the first growth of a human beard.


Etymology: AS, adune, off hill
(of a computer) not operating as a result of malfunction or maintenance or for other reasons.


the soft, small feathers lacking BARBULES that cover the body of a bird and aid heat retention.

Patient discussion about down

Q. Can Down syndrome occur again? A few years ago, at the age of 32 my sister gave birth to a child that was diagnosed with Down syndrome. Now, at the age of 37 she's pregnant again. Can she have another baby with Down? Does the fact she has a baby with Down means she has higher risk for a second baby with Down?

A. - Older women especially after 35 years
- Previuosly child with Down Syndrome

Video link


Q. assessment of down syndrom

A. down syndrome is a very easy diagnosis - it just need a chromosome check and seeing 3 (instead 2) chromosomes number 21. -

Q. what does enlarged heart mean? is it linked to down syndrome? My wife is 16 weeks pregnant. we did a prenatal US and we were told that the baby hes an enlarged heart and that we are advised to do amniocentesis. A friend of mine had a baby with down syndrome, and he was toled that if they have done this procedure, the doctors could have find it on time and abort the pregnancy. Is there a clear connection between the enlarged hart and the fact that the doctor advised us to do this procedure to down syndrome?

A. Down syndrome is associated with several kinds of heart problems. those problems can cause an enlarged heart but usually it will appears as a post-natal complication.
The protocol that most obstetrics use is that if there is anything abnormal in the US there is an automatic referral to an amniocentesis procedure.
the US has a lot of false alarms, so they must check with the more accurate procedure.

More discussions about down
References in periodicals archive ?
Downhill Domination" is based on the extreme sport of downhill mountain bike racing and puts players in control of customizable mountain bikes to race down vertical mountainsides and urban environments while performing stunts at speeds in excess of 60 miles per hour.
10) Other star names in the men's downhill include the UK's Gee Atherton, Josh Bryceland and Steve Peat, American Aaron Gwin and Samuel Hill, of Australia.
There was dramatic failure for Switzerland's Lara Gut, who had been in silver medal position after the downhill but had not finished any of her last seven World Cup slalom races.
Maria Hoefl-Riesch is formidable in downhill events
I think the same should happen with downhill skateboarding.
The world's fastest ice cross downhill athletes came back to Saint Paul to compete in the toughest competition on ice: Red Bull Crashed Ice.
The UK Gravity Enduro series comprised five stages - two of them on his doorstep here in North Wales - each of them consisting of five different downhill stages.
The Forestry Commission is working with specialists Northern Downhill on the exciting new trail, which will have its starting line on the 2,000ft Northumbrian summit of Deadwater Fell.
The downhill sit-skier, who grew up in Redcar, became Britain's first Paralympic World Cup gold medalist in the event in Italy in January 2010.
American veteran Bode Miller earned the downhill medal which eluded him four years ago as he held on to bronze.
Intuitively, this makes sense on downhill shots, because you're shooting the same direction as gravity is pulling your arrow.
Aksel Lund Svindal brushed aside painful memories of Beaver Creek to win a men's downhill, a year almost to the day after a crash nearly ruined his career on the same piste.