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Visceral muscle tissue, or smooth muscle, is tissue associated with the internal organs of the body, especially those in the abdominal cavity. There are three types of muscle in the body: skeletal, smooth, and cardiac.
Visceral muscle is a type of involuntary muscle found lining the walls of internal organs, such as the stomach, intestines, and blood vessels. It contracts slowly and rhythmically to facilitate functions like digestion and regulation of blood flow.
Visceral striated muscle is structurally identical to skeletal muscle (i.e. looks the same in microscopic preparations). However, it is limited to a number of soft tissue structures, namely the tongue, pharynx and upper third of the esophagus.
Shivering is an involuntary contraction of skeletal muscles in response to lower than normal body temperature. The muscle cell, or myocyte, develops from myoblasts derived from the mesoderm. Myocytes and their numbers remain relatively constant throughout life. Skeletal muscle tissue is arranged in bundles surrounded by connective tissue.
Single-unit smooth muscle in the walls of the viscera, called visceral muscle, has a stress-relaxation response that permits muscle to stretch, contract, and relax as the organ expands. Multiunit smooth muscle cells do not possess gap junctions, and contraction does not spread from one cell to the next.
Visceral Muscle. Visceral muscle is found inside of organs like the stomach, intestines, and blood vessels. The weakest of all muscle tissues, visceral muscle makes organs contract to move substances through the organ.
Muscle is one of the four primary tissue types of the body, and the body contains three types of muscle tissue: skeletal muscle, cardiac muscle, and smooth muscle (Figure 8.2.1 8.2. 1). All muscle tissues have four functional properties in common which include excitability, contractility, extensibility, and elasticity.
The visceral muscle is also known as the plain, non-striated, smooth involuntary muscle. It is called non-striated because it has got no cross-striations. The contraction of this muscle is not controlled by volition or will.
description. In muscle: Major types of vertebrate muscles. …the vertebrate musculature are the visceral musculature and the somatic musculature (the striated muscles of the body wall). Somatic musculature may be divided into appendicular, or limb, muscles and axial muscles.
Visceral muscle cells are found in the organs, blood vessels, and bronchioles of the body to move substances throughout the body. Visceral muscles are also commonly known as smooth muscle due to their lack of striations.