Medical term:
myofiber
myofiber
(mī″ō-fī′bĕr)A skeletal muscle cell.
type 1 myofiber
A skeletal muscle cell that has a rich concentration of myoglobin and oxidative enzymes. Also known as “red” or “slow twitch” myofibers, these cells rely principally on aerobic metabolism for energy.
type II myofiber
A skeletal muscle cell with little myoglobin content. Also known as “white” or “fast-twitch” myofibers, these cells rely principally on anaerobic metabolism for energy.
Medical Dictionary, © 2009 Farlex and Partners
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