skeletal muscle fibers

skel·e·tal mus·cle fi·bers

multinucleated contractile cells varying from less than 10-100 mcm in diameter and from less than 1 mm to several centimeters in length; the fiber consists of sarcoplasm and cross-striated myofibrils, which in turn consist of myofilaments; human skeletal muscles are a mixture of red, white, and intermediate type fibers. Synonym(s): skeletal muscle cells