Definition of perimysium in English:

perimysium

noun

Anatomy
  • The sheath of connective tissue surrounding a bundle of muscle fibers.

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

Origin

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

Pronunciation

perimysium

/-ˈmiZH-/