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actomyosin

[ak-tuh-mahy-uh-sin]
noun Biochemistry.
  1. a complex protein, consisting of myosin and actin, that is the major constituent of skeletal muscle and is thought to interact with ATP to cause muscle contraction.
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Origin of actomyosin

First recorded in 1940–45; act(in) + -o- + myosin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for actomyosin

actomyosin

noun
  1. a complex protein in skeletal muscle that is formed by actin and myosin and which, when stimulated, shortens to cause muscle contraction
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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
actomyosin in Medicine

actomyosin

(ăk′tə-mī′ə-sĭn)
n.
  1. A protein complex that is the essential contractile substance of muscle, composed of the globulin myosin and actin.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.