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smooth muscle

noun, Anatomy.
involuntary muscle tissue in the walls of viscera and blood vessels, consisting of nonstriated, spindle-shaped cells.
Origin of smooth muscle
First recorded in 1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for smooth muscle
Historical Examples
  • Besides these places where smooth muscle is found there are some in the eye.

    Physiology Ernest G. Martin
  • smooth muscle has the duty of operating the internal organs.

    Physiology Ernest G. Martin
  • smooth muscle does not have to be so highly developed, then, as is skeletal.

    Physiology Ernest G. Martin
  • This tube is reinforced in different ways by connective tissue, smooth muscle fibers, and fibroelastic tissue.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • The tunica media is composed of intermingled bundles of elastic tissue, smooth muscle fibers, and some fibrous tissue.

    Arteriosclerosis and Hypertension: Louis Marshall Warfield
  • His thighs, rounded under a close-fitting gray uniform, were bulging with smooth muscle.

    Islands of Space John W Campbell
  • These bands of smooth muscle fibers are also encountered, though less well developed, in the mesentery of birds and mammals.

  • Since the stomach walls are of smooth muscle they adjust themselves to the progress of the meal.

    Physiology Ernest G. Martin
  • The other two kinds of muscle, heart muscle and smooth muscle, must have a word of description.

    Physiology Ernest G. Martin
  • There are, however, two points of superiority about smooth muscle, which fit in well with its special task.

    Physiology Ernest G. Martin
British Dictionary definitions for smooth muscle

smooth muscle

muscle that is capable of slow rhythmic involuntary contractions: occurs in the walls of the blood vessels, alimentary canal, etc Compare striped muscle
Word Origin
so called because there is no cross-banding on the muscle
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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smooth muscle in Medicine

smooth muscle n.
Muscle tissue that contracts without voluntary control, having fine myofibrils but lacking transverse striations and found in the walls of internal organs, blood vessels, and hair follicles.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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