actomyosin actomyosin

Definition(s):

  • (n) a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions

Usage(s):

  • Their active portions are submicroscopic fibers made of a peculiar protein called actomyosin.
Word of the Day
cynic cynic
/ˈsɪ nɪk /