Meaning of perimysium in English:


Pronunciation /ˌpɛrɪˈmɪsɪəm/


mass nounAnatomy
  • The sheath of connective tissue surrounding a bundle of muscle fibres.

    ‘Muscle is really composed of not merely muscle cells, but also connective tissue - endomysium, perimysium, and epimysium.’
    • ‘The bundle of fibers with its endomysium is surrounded by a more fibrous connective tissue sheath known as the perimysium.’
    • ‘A thin layer of extracellular matrix (perimysium) separating fiber groups within the muscle appears in cross-section.’
    covering, cover, case, casing, envelope, sleeve, wrapper


Mid 19th century modern Latin, from Greek peri- ‘around’ + mus ‘muscle’.