Definition of perimysium in English:

perimysium

Line breaks: peri|mysium
Pronunciation: /ˌpɛrɪˈmɪsɪəm
 
/

noun

[mass noun] Anatomy
  • The sheath of connective tissue surrounding a bundle of muscle fibres.
    More example sentences
    • 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.

Derivatives

perimysial

adjective
More example sentences
  • A complete muscle consists of numerous fasciculi surrounded by a thick outer layer of connective tissue known as the perimysial septa.

Origin

mid 19th century: modern Latin, from Greek peri- 'around' + mus 'muscle'.

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