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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.


actomyosin

/ ˌæktəʊˈmaɪəsɪn /

noun

  1. a complex protein in skeletal muscle that is formed by actin and myosin and which, when stimulated, shortens to cause muscle contraction
“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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Word History and Origins

Origin of actomyosin1

First recorded in 1940–45; act(in) + -o- + myosin

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