Definition
Cytochrome b5 reductase is an enzyme in the blood. This enzyme makes sure that red blood cells have adequate iron levels, and thus maximizes their oxygen-carrying capacity. An imbalance in this enzyme results in a condition known as methemoglobinemia.
Review Date: 2/9/2005
Reviewed By: Thomas A. Owens, M.D., Departments of Internal Medicine and Pediatrics, Duke University Medical Center, Durham, NC. Review provided by VeriMed Healthcare Network.
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