cytochrome
(sī′tō-krōm)

[″ + chroma, color]
An iron-containing protein found in the mitochondria of eukaryotic cells; each is given a letter name (a, b, c). The cytochrome transport system (electron transport chain) is the last stage in aerobic cell respiration.
SEE: cytochrome oxidase; SEE: cytochrome P450; SEE: cytochrome transport system
There's more to see -- the rest of this topic is available only to subscribers.