creatine kinase

noun

, Biochemistry.

1. an enzyme that, during muscular activity, catalyzes the transfer of a phosphoryl group from phosphocreatine in muscle to produce ATP.

Example Sentences

For athletes, the idea is that the increased blood flow also increases the clearance of blood lactate and creatine kinase, both of which get released from muscles and into the bloodstream after vigorous exercise and is a signal of muscle damage.

From Popular-Science

For example, day-after creatine kinase averaged 2,439 international units per liter.

From Outside Online