Source:http://linkedlifedata.com/resource/umls/id/C1135918
NCI: An elongated spindle-shaped contractile cell, peculiar to an involuntary muscle, containing a single nucleus and longitudinally arranged myofibrils.,GO: The contractile fiber of smooth muscle cells. [GOC:mah],FMA: Muscle cell which has as its direct parts myofilaments attached to cytoplasmic dense bodies.,MSH: Non-striated, elongated, spindle-shaped cells found lining the digestive tract, uterus, and blood vessels. They are derived from specialized myoblasts (MYOBLASTS, SMOOTH MUSCLE).