smooth muscle

Involuntary muscle which is found within the intestines, throat, uterus, and blood vessel walls.

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  • Smooth muscle — is a type of non striated muscle, found within the tunica media layer of large and small arteries and veins, the bladder, uterus, male and female reproductive tracts, gastrointestinal tract, respiratory tract, the ciliary muscle, and iris of the… …   Wikipedia

  • smooth muscle — 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… …   Dictionary of molecular biology

  • smooth muscle — n. a contractile type of muscle tissue controlled by the involuntary nervous system, occurring in the walls of the uterus, stomach, intestines, blood vessels, etc., and characterized by nonstriated, spindle shaped cells …   English World dictionary

  • 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… …   Medical dictionary

  • smooth muscle — noun 1. 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) • Syn: ↑involuntary muscle • Hypernyms: ↑muscle, ↑musculus •… …   Useful english dictionary

  • smooth muscle — Anat. involuntary muscle tissue in the walls of viscera and blood vessels, consisting of nonstriated, spindle shaped cells. [1885 90] * * * ▪ anatomy also called  involuntary muscle         muscle that shows no cross stripes under microscopic… …   Universalium

  • smooth muscle — involuntary muscle muscle that produces slow long term contractions of which the individual is unaware. Smooth muscle occurs in hollow organs, such as the stomach, intestine, blood vessels, and bladder. It consists of spindle shaped cells within… …   The new mediacal dictionary

  • smooth muscle — smooth′ mus′cle n. anat. involuntary muscle tissue in the walls of viscera and blood vessels, consisting of nonstriated, spindle shaped cells …   From formal English to slang

  • smooth muscle — noun Date: circa 1890 muscle tissue that lacks cross striations, is made up of elongated spindle shaped cells having a central nucleus, and is found especially in vertebrate hollow organs and structures (as the digestive tract and bladder) as… …   New Collegiate Dictionary

  • smooth muscle — noun Physiology muscle tissue in which the contractile fibrils are not highly ordered, occurring in the gut and other internal organs and not under voluntary control. Often contrasted with striated muscle …   English new terms dictionary

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