myofibril: Quick Facts

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Photos

Diagram showing the structure of human striated or skeletal muscle, with labeled cross-sections from whole muscle to fascicle, muscle fiber, myofibril, and sarcomere, highlighting actin and myosin filaments.

ultrastructure of a group of myofibrils

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Topics

Sarcoplasmic reticulum I band Z line triad transverse tubule sarcomere myofilament A band pseudo-H zone cross bridge

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muscle: The myofibril