actin filament and myosin filament. structure myosin. muscle actin myosin interaction. troponin

education schematic diagram healthy medicine human skeletal anatomy science system illustration fiber medical cell biology tissue thin disease striated sarcomere muscular cardiac sarcoplasmatic plasma myofilaments muscle actin myosin interaction mechanotransduction health troponin complex tropomyosin head filament structure hinge region light chain atp bindibg coiled coli contraction