- cystine calculus
- a soft variety of urinary calculus composed of cystine; seen in cystinuria.
Medical dictionary. 2011.
cystine calculus
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Cystine — An amino acid, one of the 20 amino acids which serve as the building blocks of protein. Cystine is not an essential amino acid, that is, it is not essential to the diet since the body can synthesize (make) it. Cystine is particularly notable… … Medical dictionary
Calculus — A stone, as in the urinary tract. Also, the calcium salt deposits on the teeth. The word calculus in Latin means a pebble. Pebbles were once used for counting, from which came the mathematical field of calculus. A urinary calculus is a pebble in… … Medical dictionary
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Kidney stone — 1. A stone in the kidney (or lower down in the urinary tract). Kidney stones are a common cause of blood in the urine and pain in the abdomen, flank, or groin. Kidney stones occur in 1 in 20 people at some time in their life. The development of… … Medical dictionary
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Nephrolithiasis — The process of forming a kidney stone, a stone in the kidney (or lower down in the urinary tract). Kidney stones are a common cause of blood in the urine and pain in the abdomen, flank, or groin. Kidney stones occur in 1 in 20 people at some time … Medical dictionary
Urolithiasis — The process of forming stones in the kidney, bladder, and/or urethra (urinary tract). Kidney stones are a common cause of blood in the urine and pain in the abdomen, flank, or groin. Kidney stones occur in 1 in 20 people at some time in their… … Medical dictionary
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