loop

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loop

 [lo̳p]
a turn or sharp curve in a cordlike structure.
capillary l's minute endothelial tubes that carry blood in the papillae of the skin.
closed loop a system in which the input to one or more of the subsystems is affected by its own output.
Henle's loop the U-shaped part of the nephron extending from the proximal to the distal convoluted tubule.
ileal loop ileal conduit.
Lippes loop a form of intrauterine contraceptive device.
open loop a system in which an input alters the output, but the output has no effect on the input.

loop

(lūp),
1. A sharp curve or complete bend in a vessel, cord, or other cylindric body, forming an oval or circular ring.
See also: ansa.
2. A wire (usually of platinum or nichrome) fixed into a handle at one end and bent into a circle at the other, rendered sterile by flaming, and used to transfer microorganisms.
[M.E. loupe]

loop

(lūp)
1. A sharp curve or complete bend in a vessel, cord, or other elongated body, forming an oval or circular ring.
See also: ansa
2. A wire (of platinum or other materials) fixed into a handle at one end and bent into a circle at the other, rendered sterile by heat, and used to transfer microorganisms.
[M.E. loupe]

loop

A circular bend or fold in a vessel or a bundle of nerve or muscle fibres.
Archambault's loop See Meyer's loop.
Axenfeld's intrascleral nerve loop An anomalous loop of the long ciliary nerve, often accompanied by the anterior ciliary artery, which has pierced the sclera a few millimetres behind the limbus and then re-enters the sclera and supplies the ciliary body. It is usually pigmented giving rise to a 1-2 mm black dot on the sclera. It appears only in a small percentage of individuals (10-15%). Treatment is not necessary. Syn. Axenfeld's pigmented nerve loop.
Meyer's loop A bundle of inferior nerve fibres that originate from the lateral portion of the lateral geniculate body, extend forward around the anterior tip of the temporal horn of the lateral ventricle and then swing backward toward the occipital lobe. A lesion in this loop may cause a superior homonymous quadrantanopia. Syn. Archambault's loop. See optic radiations.

loop

(lūp)
1. A sharp curve or complete bend in a vessel, cord, or other cylindric body, forming an oval or circular ring.
2. A wire (usually of platinum or nichrome) fixed into a handle at one end and bent into a circle at the other, rendered sterile by flaming, and used to transfer microorganisms.
[M.E. loupe]

Patient discussion about loop

Q. Blood in stools before and after polyp removel, Avms of the deodenel loop, inside hems, and 3cin tubuo adenoma Hi, On Nov of 06 I had a colonoscopy done and they didnt find any thing that could be mking me bleed and go to the rest room often. Then in Nov of 07 did a EDg and found I have AVMs of the deodenel loop.She Burned them and I didnt have any more bleeding till June of thei yr.On 6/6/08 i had another EDg done she burned more AVMs and on Mon I started bleeding again. This time she did a colonoscopy and found I had inside hems and a 3cin tubuolvillous adenoma inflamed.She cut, burned, and took it out in peices.She saye she will go back in Nov of this yr and look again. Two weeks after I had this done I had started to bleed again and had bad such bad pain in my hip I had to hold on to walk. that same day i started to bleed again. I bled out big clots and a bowl full of blood! A few days later the pain went away but was still bleeding ever time I had bowl movement!I can bleed up to 4 days at a times sometimes. I have been taking HC supp. and it seems to have stoped the bleeding and pain!

A. It is normal that after a polyp removal you will continue bleeding some more. However, if you feel like there is a lot of bleeding, and/or you are not feeling well, you should see a doctor as soon as possible to stop the bleeding or look for the source of bleeding.

More discussions about loop
References in periodicals archive ?
A roller coaster loop-the-loop works like a centrifuge.
...FORMULA 1 race tracks were loop-the-loop shaped instead of flat on the ground?
On the big day, Stewart completed 14 loop-the-loops.
The Gospels, it seems, are largely reliable accounts (discounting some of John's dizzying theological loop-the-loops).
But they phoned me around 3.30pm the day before, saying it would be ok but they may not be able to do any loop-the-loops or turns, which was fine with me!" While he did the wingwalk alone, his youngest daughter Joy also took part in her own wingwalk just before her dad, to raise even more money.
Afterwards I said 'Fred, fair play to you for doing the loop-the-loops and turns'.
An RAF serviceman injured in Iraq hopes to set an unusual world record in the skies over Shropshire, by flying the most loop-the-loops while drinking a cup of tea.
AN RAF serviceman injured in Iraq set an unusual world record for flying the most loop-the-loops while drinking a cup of tea.
TrackMania Sunrise, PC, pounds 29.99 CRAZY loop-the-loops and halfpipe transitions were all in a day's work for TrackMania.
Another recent commentator, Lieven de Cauter, suggests that the twentieth century soon came to favor "vertigo machines." The roller coasters and loop-the-loops that began to outnumber educational pavilions in the great world fairs of the second half of the nineteenth century were literally the wave of the future.