| urease | <enzyme> An enzyme that breaks urea downinto carbon dioxide and ammonia, itstypically used to measure ureaconcentrations. (09 Oct 1997) |
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| urease test | A test for urea based on the conversion of urea into ammonium carbonate by the enzyme urease; a test for the production of urease, used for identification of cryptococci and Heilcobacter pylori. (05 Mar 2000) |