Creatinine
Definition
A breakdown product of creatine phosphate in muscle. It is filtered by the kidneys and excreted in urine at relatively constant rates, making it a practical urine marker. Normal urinary creatinine is 5 to 20 mmol per litre, much higher than other body fluids.
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Explained in
- Urine and Sweat IdentificationA breakdown product of creatine phosphate in muscle. It is filtered by the kidneys and excreted in urine at relatively constant rates, making it a practical ur...