actomyosin

[ ak-tuh-mahy-uh-sin ]

/ ˌæk təˈmaɪ ə sɪn /

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noun Biochemistry.

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

Words nearby actomyosin

act of faith, act of God, Act of Toleration, Act of Uniformity, act of war, actomyosin, acton, act one's age, actor, actorish, actor-manager

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British Dictionary definitions for actomyosin

actomyosin

/ (ˌæktəʊˈmaɪəsɪn) /

noun

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

Medical definitions for actomyosin

actomyosin

[ ăk′tə-mī′ə-sĭn ]

A protein complex that is the essential contractile substance of muscle, composed of the globulin myosin and actin.