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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 ?
Mikaela Shiffrin didn't race downhill because of the altered Olympic program.
Recommendation S Goggia to win women's downhill 1pt 7-2 Coral, Ladbrokes
The speed of the treadmill during the downhill walk was kept same as during an uphill walk, for each participant.
We proposed to widen the consultation and included the option that Downhills should remain a local authority school as well as the option to become an academy or become an academy with the Harris Federation.
12) Hot spots for spectators on the downhill course are the thrilling jumps, including the Wall, Big Doon, Road Gap and Motorway.
Canada's Marie-Michele Gagnon had come into the super combined as a medal contender, but endured a miserable day, coming 21st in the downhill and then falling in her favored slalom.
I think the same should happen with downhill skateboarding.
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.
Downhill Skateboarders stand upright on longboards and can reach speeds of up to 55mph.
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.
Brit Steve, reigning World Champion and the most successful downhill competitor ever, will be competing at the Fort William event on June 5 and 6 in front of his home crowd.
DIDIER DEFAGO ended 22 years of Swiss downhill heartache by scoring a surprise victory in the delayed blue riband event of the Winter Games at Whistler today.