which type of muscle fiber(s) is/are uninucleate?

Smooth muscle tissue is considered a type of muscle tissue called “uninucleate” to distinguish it from striated (aka skeletal) muscle, which has the obvious nuclei and is comparatively easier to distinguish.

There are three types of muscle fibers: Enteric Muscles, Cardiac Muscle, and the smooth muscles also known as visceral muscles or multi-unit extrinsic muscles. All three types of muscle fiber are nematocytic in origin but they can form via different mechanisms. The difference between each will be explained below…