ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Crystals in gout. Light micrograph of uric acid crystals from a gouty joint, where they are causing an intensely painful attack of arthritis. Uric acid (2,6,8-trihydroxypurine) is formed in the body by the metabolism of proteins. If this process is disturbed the levels of uric acid in the blood may rise. This in turn can result in gout, usually in a single joint, as uric acid crystals are formed. Uric acid is present in urine and is also associated with the formation of kidney stones. Treatment is with anti-inflammatory drugs. Magnification: x100 at 6x7cm size.
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