Topical Terminology > Actin
3 Definitions
Actin
For Actin we have terms and definitions in 3 topics. The topics are Biology, Fitness and Horse Health.
Actin (Biology) 
A protein filament within the sarcomeres of muscle cells.
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Actin (Fitness)
A protein found in muscle fibers that acts with myosin to bring about muscle contraction and relaxation.
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Actin (Horse Health)
A vital protein component of muscle, one of the proteins responsible for muscle contraction.
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