Meaning of myofilament in English:


Pronunciation /ˌmʌɪə(ʊ)ˈfɪləm(ə)nt/


Biology Physiology
  • Any of the ultramicroscopic, rod-like aggregates of protein molecules that are arranged in an overlapping array in the sarcomere of a myofibril, occurring in two forms, the thick filament (composed of myosin molecules) and thin filament (composed of actin molecules).


1940s; earliest use found in Journal of Clinical Investigation. From myo- + filament.