involuntary muscle

(redirected from Involuntary muscles)
Also found in: Thesaurus, Medical, Encyclopedia.

involuntary muscle

n.
Muscle that is not controlled by individual volition, including smooth muscle and cardiac muscle.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.involuntary 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)involuntary 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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
The snake was already clinically dead, but its involuntary muscles still moved and the person got bitten,' Sy said.
Part of the brain stem's job is to control your involuntary muscles -- the ones that work automatically, without you even thinking about it, like the heart and bowel muscles.

Full browser ?