Layers of connective tissues that separate muscles to prevent them from interfering with each other.
Bundles of muscle fibers that make up a muscle.
The basic unit of a muscle made up of myofibrils.
Bundles of protein fibers that make up muscle fibers.
The repeating unit of a myofibril that goes from Z line to Z line.
Thick filaments in myofibrils
Thin filaments in myofibrils