uric acid


  • WordNet 3.6
    • n uric acid a white tasteless odorless crystalline product of protein metabolism; found in the blood and urine
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Webster's Revised Unabridged Dictionary
    • Uric acid a crystalline body, present in small quantity in the urine of man and most mammals. Combined in the form of urate of ammonia, it is the chief constituent of the urine of birds and reptiles, forming the white part. Traces of it are also found in the various organs of the body. It is likewise a common constituent, either as the free acid or as a urate, of urinary or renal calculi and of the so-called gouty concretions. From acid urines, uric acid is frequently deposited, on standing in a cool place, in the form of a reddish yellow sediment, nearly always crystalline. Chemically, it is composed of carbon, hydrogen, nitrogen, and oxygen, C5H4N4O3, and by decomposition yields urea, among other products. It can be made synthetically by heating together urea and glycocoll. It was formerly called also lithic acid, in allusion to its occurrence in stone, or calculus.
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In literature:

He became wary about breakfast as life advanced, and at one time talked much of Dr. Haig and uric acid.
"Tono Bungay" by H. G. Wells
I suffer from an excess of uric acid.
"John Bull's Other Island" by George Bernard Shaw
Before that she was frightfully keen on a thing called uric acid.
"Priscilla's Spies" by George A. Birmingham
The richer a sample, as a rule, the more nitrogen in the form of uric acid it contains.
"Manures and the principles of manuring" by Charles Morton Aikman
A strange adipose body, this bundle of lace crammed with uric acid without a trace of fatty matter!
"The Glow-Worm and Other Beetles" by Jean Henri Fabre
This diminution, however, was not due to retention of uric acid in the organism.
"All About Coffee" by William H. Ukers
Phosphatic calculus containing a nucleus of uric acid, sawed through to show concentric layers.
"Special Report on Diseases of Cattle" by U.S. Department of Agriculture
The alkaline-saline waters of Pittville are efficacious against diseases resulting from excess of uric acid.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1" by Various
Normally from 1 to 3% of the nitrogen eliminated will be in the form of uric acid.
"Dietetics for Nurses" by Fairfax T. Proudfit
These tubes are shown to excrete nitrogenous waste products similar to uric acid.
"Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6" by Various
Fischer's next research was concerned with compounds related to uric acid.
"Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 4" by Various
These often coincide with the uric acid tendency to express itself in "storms," like other periodical phenomena of the nervous system.
"Degeneracy" by Eugene S. Talbot
A gentleman one day tells me at luncheon, we'll say, that he can't drink tea because it gives him uric acid so bad.
"Turns about Town" by Robert Cortes Holliday
Eat no fruit for fear of uric acid.
"Back at School with the Tucker Twins" by Nell Speed
Diathesis, uric acid, 380.
"Psychotherapy" by James J. Walsh
The kidneys strain out urea, uric acid, and certain other poisons from the blood and eject them through the urinary tract.
"Think" by Col. Wm. C. Hunter
I suppose that one of the most used and most abused of these is uric acid and the uric acid diathesis.
"Health Through Will Power" by James J. Walsh
To prevent the formation of uric acid Robin prescribes quinic acid combined with formine or urotropine.
"Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 3" by Various
The pains of rheumatism are caused by uric acid settling in the joints of the body.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society" by Upton Sinclair
Along with this she had the most abundant secretion of uric acid, which passed away with every discharge of urine.
"New, Old, and Forgotten Remedies: Papers by Many Writers" by Various

In news:

Gout is a condition in which there is too much uric acid in the joints, tissues, and sometimes, even the kidneys.
Allopurinol (long-term uric acid lowering) Start slowly (50 - 100 mg/d).
Allopurinol, a generic drug, interferes with the body's production of uric acid, the chemical that, in excessive amounts, causes gout .
Gout is a condition in which there is too much uric acid in the joints, tissues, and sometimes, even the kidneys.
Gout (gowt) is a type of acute arthritis caused by elevated levels of uric (YOUR-ick) acid in the blood.
Your body creates uric acid when it metabolizes protein.
If too much uric acid is produced, or your kidneys can't properly dispose of it, deposits may build up around a joint.
Almost all people with gout have too much uric acid in their bodies, and the kidneys can't process this waste product fast enough.
A large clinical trial indicated that the drug febuxostat resulted in lower levels of serum uric acid than allopurinol, the agent currently used to treat the painful form of arthritis in which uric acid crystals accumulate in the joints.
Higher levels of serum uric acid (UA) might counteract osteoporosis in peri- and postmenopausal women by providing higher bone mineral density (BMD) and lower bone turnover, which would presumably imply reduced fracture risk.
Study Shows People With High Uric Acid Levels May Have Higher Risk for Diabetes.
People with gout should make sure their uric acid levels are under control -- even if they're not experiencing symptoms of the painful arthritic disorder.
00 AM on 11/26, issued at 2:39 AM Alma, GA Baxley, GA Blackshear, GA Bristol, GA. Study Shows People With High Uric Acid Levels May Have Higher Risk for Diabetes.
Of 96 community-dwelling adults aged 60 to 92 years, those with uric-acid levels at the high end of the normal range had the lowest scores on tests of mental processing speed, verbal memory and working memory.
Researchers at the Johns Hopkins and Yale university medical schools have found that a simple blood test to measure uric acid, a measure of kidney function, might reveal a risk factor for cognitive problems in old age.