creatine(redirected from creatine kinase (CK))
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Related to creatine kinase (CK): Creatine Kinase Test
a nonprotein substance synthesized in the body from three amino acids: arginine, glycine (aminoacetic acid), and methionine. Creatine readily combines with phosphate to form phosphocreatine, or creatine phosphate, which is present in muscle, where it serves as the storage form of high-energy phosphate necessary for muscle contraction.
creatine kinase an enzyme catalyzing the transfer of a phosphate group from phosphocreatine to ATP. It has three isoenzymes: CK1, found primarily in the brain; CK2, found in the myocardium; and CK3, found in both skeletal muscle and the myocardium. The presence of CK2 in the blood is strongly indicative of a recent myocardial infarction; it is present until about 72 hours after the attack.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
cre·a·tine(krē'ă-tēn, -tin), Do not confue this word with creatinine.
A compound, N-(aminoiminomethyl)-N-methylglycine, which occurs in urine, sometimes simply as creatine, but generally as creatinine, and in muscle, generally as phosphocreatine. Elevated levels are found in the urine of individuals with muscular dystrophy.
Farlex Partner Medical Dictionary © Farlex 2012
creatine(krē′ə-tēn′, -tĭn) also
A compound, C4H9N3O2, that is found in the muscle tissue of vertebrates mainly in the form of phosphocreatine and that is involved in storing and supplying energy for muscle contraction.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
N-(aminoiminomethyl) - N-methylglycine; occurs in urine, sometimes as such, but generally as creatinine, and in muscle, generally as phosphocreatine; elevated in urine in muscular dystrophy; synthesized in liver and pancreas from amino acids; absorbed in bloodstream, it is deposited in tissue (e.g., muscles, brain).
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
creatineA nitrogenous substance present in all muscle cells.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
creatinea white nitrogenous substance found in vertebrate muscles.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
Patient discussion about creatine
Q. Q. I want to know about urine protein creatine ratio in diagnosing nephrotic syndrome. Please explain interms of unit such as mg/mg or mmol/mg. Normal range, nephrotic range with good referrence.
A. Nephrotic syndrome is defines as a damage to the kidneys, in which there is a leak of large amounts of protein (over 3.5 grams of protein / 24 hours urine output) from the blood to the urine. Protein loss causes low protein count in the blood (hypoalbuminemia) and edemas (excess fluid in the interstitial cavity which is between the cells, causes leg swelling most often, and also in the adbomen and around the eyes).More discussions about creatine
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