A non-striated, elongated, spindle-shaped cell found lining the digestive tract, uterus, and blood vessels. They develop from specialized myoblasts (smooth muscle myoblast). [ MESH:D032389 http://www.ncbi.nlm.nih.gov/pubmed/9315361 http://en.wikipedia.org/wiki/Smooth_muscle_cell ]
Synonyms: myocytes, smooth muscle SMCs smooth muscle fiber