actomyosin

actomyosin

[ak-tuh-mahy-uh-sin]
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.

Origin:
1940–45; act(in) + -o- + myosin

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World English Dictionary
actomyosin (ˌæktəʊˈmaɪəsɪn)
 
n
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 10th Edition
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American Heritage
Medical Dictionary

actomyosin ac·to·my·o·sin (āk'tə-mī'ə-sĭn)
n.
A protein complex that is the essential contractile substance of muscle, composed of the globulin myosin and actin.

The American Heritage® Stedman's Medical Dictionary
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