weddellite calculus

weddellite calculus
a common type of oxalate calculus, containing weddellite.

Medical dictionary. 2011.

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  • 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

  • oxalate calculus — a hard urinary calculus made of calcium oxalate, often in the form of weddellite or whewellite; some are covered with minute sharp spines that may abrade the renal pelvic epithelium, and others are smooth. Called also calcium oxalate c …   Medical dictionary

  • calcium oxalate — n a colorless crystalline salt CaC2O4·H2O that is noted for its insolubility and is sometimes excreted in urine or retained in the form of urinary calculi * * * CaC2O4, a salt of oxalic acid which, when formed in high concentrations in the urine …   Medical dictionary

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