How many nuclei in smooth muscle?

Each smooth muscle cell (or "muscle fiber") is just a few microns in diameter but may be two hundred microns long. The nucleus is also elongated, often cigar-shaped. In histologic sections, the full length of smooth muscle nuclei is only apparent when the plane of section is aligned with the long axis of the cells. read more

Each smooth muscle cell has only 1 nucleus. Skeletal muscle cells are much bigger and are formed by the merging many cells during fetal development, so they have many nuclei. Heart muscle cells usually have 1 nucleus but some have 2. read more