Review of muscle cell structure and phenotype plasticity.
LEARNING OBJECTIVES
1. Review the structure of skeletal muscle.
BS277 Biology of Muscle
Review of muscle structure.Organism to cell.
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1. Brachium2. Tendon3. Skeletal muscle / biceps4. Epimysium5. Blood vessels and nerves6. Perimysium7. Muscle fascicle8. Muscle fibre / myocyte/muscle cell9. Blood vessels10. Endomysium11. Capillary12. Sarcolemma13. Sarcoplasm14. Nucleus15. Mitochondria16. Nerve17. Satellite cell
1. Sarcolemma2. Sarcoplasm3. Nucleus4. Myofibril5. Sarcoplasmic reticulum6. Terminal cisterna7. Mitochondrion8. T-tubule9. Triad10.Thick myofilament11.Thin myofilament
Review of muscle structure. Myofibril banding pattern.
Sarcomere
A bandI band
H zone
M line
Z line
Zone of overlap
Thin myofilament
Thick myofilament
Titin
The molecular basis of the sarcomere banding pattern
Sarcomere
Thin myofilamentThick
myofilamentα-actinin
Titin
Titin