The smooth muscle fibers consist of long spindle-shaped cells, the end of which are frequently spirally twisted, and in the center of which exists a long rod-shaped kernel or nucleus. Unlike striated muscle, they do not form separate muscular masses, but occur scattered, or arranged in more or less dense layers or strata, in almost all organs.

Smooth Muscle Fibers

The smooth muscle fibers consist of long spindle-shaped cells, the end of which are frequently spirally…

Smooth muscle tissue, also known as involuntary muscle.

Smooth Muscular Tissue

Smooth muscle tissue, also known as involuntary muscle.