Definition of perimysium in English:
noun[mass noun] Anatomy
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.
- Example sentences
- A complete muscle consists of numerous fasciculi surrounded by a thick outer layer of connective tissue known as the perimysial septa.
Definition of perimysium in:
- US English dictionary