a muscle that contracts without conscious control and found in walls of internal organs such as stomach and intestine and bladder and blood vessels (excluding the heart)
Any muscle of the body that cannot be consciously controlled.
A muscle that acts independently of the will, like the smooth muscles of the digestive system.
A type of muscle (e.g., smooth muscle) that is controlled by the involuntary nervous system
Involuntary muscle is the term given to muscle tissue that is not under conscious control. This is in contrast to skeletal muscle, which reacts according to the will of the organism.