1 Battle star, an award issued to U.S. Navy ships for participation in battles.  Battlestar (fictional spaceship), a type of spaceship in the original and new television series Battlestar Galactica.
Smooth muscle is fundamentally different from skeletal muscle and cardiac muscle in terms of structure, function, regulation of contraction, and excitation-contraction coupling. Smooth muscle cells known as myocytes, have a fusiform shape and, like striated muscle, can tense and relax.
Smooth muscle: Along with skeletal and cardiac muscle, one of the types of muscle tissue in the body.Smooth muscle generally forms the supporting tissue of blood vessels and hollow internal organs, such as the stomach, intestine, and bladder.It is considered smooth because it does not have the microscopic lines (the striations) seen in the other two types of muscle.mooth muscle: Along with skeletal and cardiac muscle, one of the types of muscle tissue in the body.