what is the structure of a skeletal muscle?

Muscle cells- are multinucleated, striated, and cylindrical in shape. What is the smallest contractile unit of a skeletal muscle called? It is a sarcomere what does the sarcomere consist of? It contains thick filament of myosin and thin filaments called actin. How are these arranged? draw a diagram for a sarcomere what is a, A band, I band, z disc, H zone and m line A band- consists of both actin and myosin I band consists of just actin H zone contain just myosin z discs represent the end of a sarcomere m line is the middle of the sarcomere