Definition of striated muscle in US English:

striated muscle


  • Muscle tissue in which the contractile fibrils in the cells are aligned in parallel bundles, so that their different regions form stripes visible in a microscope. Muscles of this type are attached to the skeleton by tendons and are under voluntary control.

    Also called skeletal muscle
    Often contrasted with smooth muscle
    • ‘Here, striated muscle is replaced by smooth muscle, the two types of muscle interdigitating over several centimeters.’
    • ‘A second major difference between smooth and striated muscle is that smooth muscle contains a unique myosin light-chain subunit known as p-light chain.’
    • ‘Creatine kinase is an enzyme that is found in striated muscle and tissues of the brain, kidney, lung, and gastrointestinal tract.’
    • ‘Differentiation of vertebrate skeletal striated muscle can be studied in cell culture and provides a valuable model system for cell differentiation.’
    • ‘It is girdled by the external anal sphincter, a striated muscle structure that is part of the pelvic floor musculature.’