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- Dictionarysmooth muscle
noun
- 1. muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control.
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Oct 4, 2019 · Smooth muscle is a type of muscle tissue that contracts under certain stimuli and applies pressure to vessels and organs. Learn about its structure, function, location and how it differs from skeletal and cardiac muscle.
Oct 30, 2023 · Smooth muscle (Textus muscularis levis) Smooth muscle is a type of tissue found in the walls of hollow organs, such as the intestines, uterus and stomach. You can also find smooth muscle in the walls of passageways, including arteries and veins of the cardiovascular system. This type of involuntary non-striated muscle is also found in the ...
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Smooth muscle cells. A smooth-muscle cell is a spindle-shaped myocyte with a wide middle and tapering ends, and a single nucleus. Like striated muscle, smooth muscle can tense and relax. In the relaxed state, each cell is 30–200 micrometers in length, some thousands of times shorter than a skeletal muscle cell. [ 1 ]
smooth muscle, muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth muscle tissue, unlike striated muscle, contracts slowly and automatically. It constitutes much of the musculature of internal organs and the digestive system.
- The Editors of Encyclopaedia Britannica
Jun 16, 2022 · Smooth Muscle Definition. Smooth muscle is a type of muscle that contracts without any voluntary control, and it is made of a thin form of layers, which is made up of spindle-shaped, unstriated cells with only one nucleus and present in inner organs walls like bladder, intestine, stomach, blood vessels, etc. excluding the heart.
Apr 9, 2024 · Smooth muscle is one of three types of muscle tissue, alongside cardiac and skeletal muscle. It is a non-striated muscle tissue, lacking the characteristic markings seen in other types. Smooth muscle is found in numerous bodily systems, including the ophthalmic, reproductive, respiratory and gastrointestinal systems, where it functions to ...
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Mar 28, 2024 · 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.
