Smooth muscle is also called as non-striated or involuntary muscle, because the contraction of the muscle is not controlled by the will of the animal. The muscle fibers don’t show cross striations under microscope. Hence, they get the name smooth muscle They make the bulk of the walls of the visceral organs and are also named as visceral muscles
Smooth muscles is composed of fusiform or spindle shaped cells with a single nucleus at the centre. The muscle fibers are generally arranged parallel to each other
