skeletal muscle
skeletal muscle
MusclefibreMyofibrils
myofibril:looks like ribandalternate dark band and light bandcross striation: corresponding dark and light bands ineach myofibril lie at the same level ofthe muscle fibreLight band: I bandDark band: A bandH band; M line; Z linesarcomere:The part of a myofibril between twoconsecutive Z-bands. (1/2I+A+1/2I)It is the structural and functional unit ofthe myofibril, it is the basic structure ofthe contraction
myofibril：looks like riband. alternate dark band and light band. cross striation: corresponding dark and light bands in each myofibril lie at the same level of the muscle fibre. Light band: I band Dark band: A band. H band; M line; Z line. sarcomere：The part of a myofibril between two consecutive Z-bands. (1/2I+A+1/2I ) It is the structural and functional unit of the myofibril, it is the basic structure of the contraction
MusclefibreMyofibrils
sarcomere
sarcomere