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 Muscles vs Cardiac Muscles. The two most confusing muscle types are the cardiac muscle and smooth muscle. The reason for such confusionmay be because of both being characterized with involuntary contractions unlike the long and powerful skeletal muscles (somatic muscles) that can contract voluntarily.