| creatinaemia | The presence of abnormal concentrations of creatine in peripheral blood. Origin: creatine + G. Haima, blood (05 Mar 2000) |
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| creatinase | <enzyme> An enzyme catalyzing the hydrolysis of creatine to sarcosine and urea. (05 Mar 2000) |
| creatine | <biochemistry> A compound which is made by the body and is used to store energy in the form of phosphate molecules. When phosphate molecules are attached to it, it is called creatine phosphate and is capable of donating phosphate to ADP in order to make ATP. (ATP is the molecule which is converted into ADP with a release of energy that the body then uses.) (09 Oct 1997) |
| creatine kinase | <enzyme> Dimeric enzyme (82 kD) that catalyses the formation of ATP from ADP and creatine phosphate in muscle. Acronym: CK (28 May 1998) |
| creatine kinase isoenzymes | <enzyme> Three isoenzymes of creatine kinase have been identified in human tissues: mm from skeletal muscle, mb from myocardial tissue and bb from nervous tissue. Plasma from healthy humans contains mm almost exclusively. Elevated mb creatine kinase activity is a possible indicator of myocardial injury. Registry number: EC 2.7.3.- (12 Dec 1998) |
| creatine phosphate | <biochemistry> Storage compound of vertebrate muscle. See: creatine kinase. (18 Nov 1997) |
| creatine phosphokinase | <enzyme> An enzyme that is contained in skeletal muscle, smooth muscle and cardiac muscle. Creatine phosphokinase is released into the bloodstream in increased quantities if muscle in injured. Creatine phosphokinase can be fractionated so that specific measurements can be made for blood levels of creatine phosphokinase that comes exclusively from damaged heart muscle. This makes it an important test for the laboratory diagnosis of heart attack. Acronym: CPK (28 May 1998) |
| creatininase | An amidohydrolase catalyzing the conversion of creatine to creatinine. (05 Mar 2000) |
| creatinine | <biochemistry, nephrology> A waste product of protein metabolism that is found in the urine. Can be measured to assess overall kidney function. An abnormally elevated blood creatinine level is seen in those individuals with kidney insufficiency and kidney failure. (27 Sep 1997) |
| creatinine clearance | Measurement of the clearance of endogenous creatinine, used for evaluating the glomerular filtration rate (GFR). (05 Mar 2000) |
| creatinine clearance test | <investigation, nephrology> A test of the amount of creatinine in blood or in blood and urine shows if the kidneys are working right or if one or both are diseased. (09 Oct 1997) |
| creatinine coefficient | The number of milligrams of creatinine excreted daily per kilogram of body weight. (05 Mar 2000) |
| creatinine deiminase | <enzyme> Enzyme sometimes called creatininase, do not confuse with EC 3.5.2.10 Registry number: EC 3.5.4.21 Synonym: creatinine iminohydrolase, creatine iminohydrolase (26 Jun 1999) |
| creatinuria | <biochemistry> The condition of having an unusually large amount of the compound creatine in the urine. Origin: Gr. Ouron = urine (09 Oct 1997) |
| creativeness | The ability to construct new ideas or images. (12 Dec 1998) |