Tuesday, April 1, 2025

Cytochrome b5 reductase

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.

Johns Hopkins patient information

Last revised: December 7, 2012
by Mamikon Bozoyan, M.D.

Medical Encyclopedia

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