calculus
Pronunciation: kal′kyū-lŭs, -lī
Definition: A concretion formed in any part of the body, most commonly in the passages of the biliary and urinary tracts; usually composed of salts of inorganic or organic acids, or of other material such as cholesterol.
Synonym(s): stone1
[L. a pebble]
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Examples: glitazone, GI cocktail, etc.
