Normal skeletal muscle, cytochro

uploaded on: Jul 09, 2009
by: gliageek

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Cytochrome oxidase staining assays activity of complex 4 within the electron transport chain. Type I fibers stain darkly, type II fibers stain lightly, and cytochrome oxidase negative fibers are not identified normally (although up to 3% cytochrome oxidase negative fibers may be seen in elderly asymptomatic patients).

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