Smooth muscle is defined as a type of non-striated muscle composed of spindle-shaped cells with a single nucleus, capable of maintaining prolonged contractions with low energy consumption. It is primarily located in the walls of tubes, such as blood vessels and the digestive system, where it functions to propel materials and regulate flow. AI generated definition based on: The Human Body, 2019 Termed unitary smooth muscle or visceral muscle , this type of smooth muscle is the most common observed in the human body, forming the walls of hollow organs. Single-unit smooth muscle produces slow, steady contractions that allow substances, such as food in the digestive tract, to move through the body. What is a Smooth Muscle ? Along with cardiac and skeletal muscle , smooth muscle is one of the three forms of muscular tissue. It is a non-striated muscular tissue that is devoid of the other muscle kinds’ distinguishing characteristics. It is present in many body systems, such as the reproductive, respiratory, gastrointestinal, and ocular systems, and performs the role of contracting and causing involuntary motions. The ultrastructure, mechanism of contraction, and physiological role of ... 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.
