noun[mass noun] Biochemistry
A compound which is produced by metabolism of creatine and excreted in the urine.
- An alternative method is measurement of the ratio of protein or albumin to creatinine in an untimed urine specimen.
- Because creatine is excreted as creatinine by the kidneys, it is prudent to take it with plenty of water.
- Liver enzymes and creatinine were also assessed at each visit.
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