smooth muscle

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smooth muscle

n.
Muscle tissue that contracts without conscious control, having the form of thin layers or sheets made up of spindle-shaped, unstriated cells with single nuclei and found in the walls of the internal organs, such as the stomach, intestine, bladder, and blood vessels, excluding the heart.

smooth muscle

n
(Anatomy) muscle that is capable of slow rhythmic involuntary contractions: occurs in the walls of the blood vessels, alimentary canal, etc. Compare striped muscle
[so called because there is no cross-banding on the muscle]

smooth′ mus′cle


n.
involuntary muscle tissue in the walls of viscera and blood vessels, consisting of nonstriated, spindle-shaped cells.

smooth muscle

Involuntary muscle without the striated fibers of skeletal muscle. It automatically operates internal organs such as the stomach, bladder, and blood vessels.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.smooth muscle - 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)smooth muscle - 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)
muscle, musculus - one of the contractile organs of the body
myometrium - the smooth muscle forming the wall of the uterus
musculus sphincter ani internus - an internal ring of smooth muscle formed by circular fibers of the rectum
2.smooth muscle - muscle tissue that does not appear striated under the microscope; has the form of thin layers or sheets
muscular tissue, muscle - animal tissue consisting predominantly of contractile cells
smooth muscle cell - cells of the smooth muscles
References in classic literature ?
With the silken ease of the seal she swam, now at the surface, now below, her smooth muscles rolling softly beneath her clear skin--a wordless song of health and happiness and grace.
Oral leiomyomas are rare benign tumors of the oral cavity that are hypothesized to originate from excretory ducts of salivary glands and vascular smooth muscles (5).
Leiomyosarcoma, a malignant mesenchymal tumor, arises from the smooth muscles.
Objectives: To find out the possible effects of paroxetine on gastrointestinal smooth muscles in vitro as they can cause severe nausea and vomiting at the start of therapy which later settles down.
May 21, 2015--Crucial bodily functions like heart rate, blood flow, breathing, and digestion are regulated by the neurovascular unit, comprising blood vessels and smooth muscles under the control of autonomic neurons.
The tunica media of an artery consists of alternate layers of smooth muscles and elastic fibres, that of the medium sized arteries consist chiefly of smooth muscle cells arranged in circular or helical layers, so these are also known as muscular arteries.
Two types have been identified: synthetic smooth muscle cells, which migrate through the surrounding tissue, continue to divide and help support the newly formed blood vessels; and contractile smooth muscles cells, which remain in place, stabilize the growth of new blood vessels and help them maintain proper blood pressure.
The colon is structured like the small intestine with both circular and longitudinal smooth muscles.
Smooth muscles play a major part in controlling blood flow, blood pressure and the digestion of food.
All these results suggest that arsenite increases agonist-induced vasoconstriction mediated by MLC phosphorylation in smooth muscles and that calcium sensitization is one of the key mechanisms for the hypercontraction induced by arsenite in blood vessels.
23) Smooth muscles are present as piloerector muscle in either the anterior part of the vestibule or in the walls of the blood vessels.
The spongy tissue contains smooth muscles, fibrous tissues, spaces, veins, and arteries.

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