creatine (kre´a-ten, -tin)

H2N-C(NH)-N(CH3)-CH2-COOH; N-(Aminoiminomethyl)-N-methylglycine;occurs in urine, sometimes as such, but generally as creatinine, and in muscle, generally as phosphocreatine. Elevated in urine in individuals with muscular dystrophy.
c. kinase (CK) an enzyme catalyzing the reversible transfer of phosphate from phosphocreatine to ADP, forming creatine and ATP; of importance in muscle contraction. Certain isozymes are elevated in plasma following myocardial infarctions.c. phosphokinase;
c. phosphate phosphocreatine
c. phosphokinase (CPK) c. kinase


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