The sheath of connective tissue surrounding a bundle of muscle fibres.
covering, cover, case, casing, envelope, sleeve, wrapperView synonyms
- ‘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.’
- ‘A thin layer of extracellular matrix (perimysium) separating fiber groups within the muscle appears in cross-section.’
Mid 19th century: modern Latin, from Greek peri- ‘around’ + mus ‘muscle’.
We take a look at several popular, though confusing, punctuation marks.