Muscle Structure: Fascicles, Perimysium, And Endomysium
Fascicles are bundles of muscle fibers that are surrounded by a connective tissue sheath called the perimysium. Each muscle fiber is surrounded by a delicate connective tissue sheath called the endomysium. The perimysium and endomysium are both composed of collagen, a strong and flexible protein. The perimysium also contains blood vessels and nerves that supply … Read more