| umls-concept:C1139488 | skos:definition | UMD: Hematology reagents used in the determination of enzymes that enter in serum or plasma from the cells, mostly as a consequence either of cell membrane deterioration and possible death or to altered rates of enzyme production. The increase of the level of enzymes may reflect cellular damage due to chemicals and drugs, physical agents, immune mechanisms, genetic defects, or nutritional disorders. | lld:umls |
