- allantoinuria
- The urinary excretion of allantoin; normal in most mammals, abnormal in humans. [allantoin + G. ouron, urine]
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al·lan·to·in·uria (ə-lan″to-in-uґre-ə) the presence of allantoin in the urine; this is normal in most mammals but abnormal in humans and related primates.
Medical dictionary. 2011.