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nounthe commonest protein in muscle; a globulin that combines with actin to form actomyosintype of:
Definition that contains myosin
- actin one of the proteins into which actomyosin can be split; can exist in either a globular or a fibrous form
- myosin the commonest protein in muscle; a globulin that combines with actin to form actomyosin
- actomyosin a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions