actomyosin

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
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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