ac·to·my·o·sin 
(ăk′tə-mīə-sĭn)
(ăk′tə-mīə-sĭn)n.
A complex of actin, myosin, and associated proteins that is responsible for contraction in cells, especially muscle cells.
[ACT(IN) + MYOSIN.]
- carbon-12
- carbon-14
- carbon-14 dating
- carbonaceous
- carbonado
- carbonado
- carbonara
- carbonate
- carbonated water
- carbonation
- carbonator
- carbon black
- carbon copy
- carbon cycle
- carbon-date
- carbon dating
- carbon dioxide
- carbon disulfide
- carbon fiber
- carbon footprint
- carbonic acid
- carbonic acid gas
- Carboniferous
- carbonium ion
- carbonization