Sarcomeres in skeletal muscle contain actin and myosin myofilaments, which interact in a sliding filament model for muscle contraction.
Sarcomeres are the functional contractile regions of myocytes, composed of myofilaments of actin and myosin. These myofilaments interact with each other via the sliding filament model of contraction within the repeating units called sarcomeres. The arrangement of actin and myosin filaments in sarcomeres gives skeletal muscles their striated appearance.
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