Learn about the histology, innervation and functions of smooth muscle , a type of involuntary non-striated tissue found in hollow organs, blood vessels and eyes. Test your knowledge with quizzes and videos on Kenhub. Smooth muscle is a type of non-striated muscle tissue that controls the movement of internal organs and blood vessels. Learn about its anatomy, contraction, regulation and classification into single-unit and multi-unit smooth muscle . The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action. Smooth muscles are essential for the body because they have many different complicated and vital tasks in the body. Smooth muscle, a distinct type of muscle tissue , plays a pivotal role in the function of various organ systems by exerting pressure on vessels and organs. Characterized by its unique cellular structure, smooth muscle is composed of sheets or strands of specialized cells.
