muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located ... [8 related articles]
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http://www.britannica.com/eb/a-z/s/113
Smooth muscle from a section of small intestine One of three main types of muscle, the others being skeletal muscle and cardiac muscle. Smooth muscle, which is also called unstriated or unstriped muscle, is muscle over which we have no conscious (voluntary) control. Instead, it is under control ...
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<anatomy, pathology, physiology> Muscle tissue in vertebrates made up from long tapering cells that may be anything from 20-500m long. ... Smooth muscle is generally involuntary and differs from striated muscle in the much higher actin/myosin ratio, the absence of conspicuous sarcomeres and the ability to contract to a much smaller fraction o...
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smooth involuntary muscle a type of muscle that lacks transverse striations in its fibers. Such muscles are not under voluntary control.
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Muscle tissue in vertebrates made up from long tapering cells that may be anything from 20-500 m m long. Smooth muscle is generally involuntary, and differs from striated muscle in the much higher actin/myosin ratio, the absence of conspicuous sarcomeres, and the ability to contract to a much smaller fraction of its resting length. Smooth muscle cells are found particularly in blood vessel walls, surrounding the intestine (particularly the gizzard in birds), and in the uterus. The contractile system and its control resemble those of motile tissue cells (eg. fibroblasts, leucocytes), and antibodies against smooth muscle myosin will cross-react with myosin from tissue cells, whereas antibodies against skeletal muscle myosin will not. See also dense bodies.
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A special type of muscle that is found in several organs. In the digestive tract it forms the outer walls of the digestive tract.
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Type: Term Definitions: 1. one of the involuntary muscle fibers of the internal organs, blood vessels, and other body structures not under direct control of the will; contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei and a length of 20-200 mcm, or even longer in the pregnant uterus; although transverse s...
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http://www.medilexicon.com/medicaldictionary.php?t=57120
Smooth muscle: One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the supporting tissue of blood vessels and hollow internal organs such as the stomach, intestine, and bladder. So named because of the absence of microscopic lines called "cross-striations" which are seen in the other two types....
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A specialized type of nonstriated muscle tissue composed of fusiform, single-nucleated fibers. It contracts in an involuntary, rhythmic fashion within the walls of visceral organs.
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http://www.mhhe.com/biosci/abio/glossary.mhtml
Smooth-muscle cells are not attached to the skeleton, but are found in the walls of the blood vessels, the digestive tract, and in the dermal layer of the skin. They react slowly to stimuli from the autonomic nervous system and perform actions such as forcing food through the intestines, transporting urine to the kidneys and pumping blood through b...
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The type of muscle found in the walls of blood vessels and the major internal organs.
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[
n] - 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) 2. [n] - muscle tissue that does not appear striated under the microscope
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http://www.webdictionary.co.uk/definition.php?query=smooth%20muscle
Type of muscle found in the walls of the hollow organs (such as the stomach or intestines) and in the walls of blood vessels larger than capillaries, especially arteries and arterioles. The contraction of smooth muscle is not controlled consciously.
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https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
involuntary muscle noun 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)
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