Medical Dictionary

actomyosin

noun ac·to·my·o·sin \ˌak-tə-ˈmī-ə-sən\

Medical Definition of ACTOMYOSIN

:  a viscous contractile complex of actin and myosin concerned together with ATP in muscular contraction

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears