cre·at·i·nine (kr - t n-n , - n)n. A creatine anhydride, C4H7N3O, formed by the metabolism of creatine, that is found in muscle tissue and blood and normally excreted in the urine as a metabolic waste. [creatin(e) + -ine.] |
creatinine [kriːˈætəˌniːn]
n
(Life Sciences & Allied Applications / Biochemistry) an anhydride of creatine that is abundant in muscle and excreted in the urine
[from German Kreatinin, from Kreatin creatine + -in -ine2]
| creatinine (kr-tn-n, -n) A compound formed by the metabolism of creatine, found in muscle tissue and blood and normally excreted in the urine as a metabolic waste. Measurement of creatinine levels in the blood is used to evaluate kidney function. Chemical formula: C4H7N3O. |
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