MUSCLE, DRAWING Stretched striated muscle. Striated muscle is constituted of various muscular fascicles. Each fascicle contain various individual muscle fibers. Each muscle fiber is a muscle cell constituted of myofibrils, arrangement of thin myofilaments of actin (in blue) and of thick myofilaments of myosin (in orange). A motor end plate, or neuromuscular junction, is also represented ( neuron in blue).
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