10.2 muscles- organization of skeletal muscle Flashcards
skeletal muscle contains
–Skeletal muscle tissue (primarily)
–Connective tissues
–Blood vessels
–Nerves
What are three layers of skeletal muscle
– Epimysium
– Perimysium
– Endomysium
Describe the epimysium
– Layer of collagen fibers that surrounds the muscle
– Connected to deep fascia
– Separates muscle from surrounding tissues
Describe the permysium
– Surrounds muscle fiber bundles (fascicles)
– Contains
▪ Collagen fibers
▪ Elastic fibers
▪ Blood vessels
▪ Nerves
Describe the endomysium
– Surrounds individual muscle cells (muscle fibers)
– Contains
▪ Capillary networks
▪ Myosatellite cells (stem cells) that repair damage
▪ Nerve fibers
collagen fibers come together At the ends of muscles to form
A tendon (bundle)
▪ Or aponeurosis (sheet)