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actin filament |
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filament /fil·a·ment/ (fil´ah-ment) a delicate fiber or thread.
actin filament one of the thin contractile myofilaments in a myofibril. intermediate filaments a class of cytoplasmic filaments that predominantly act as structural components of the cytoskeleton and also effect various movements in cellular processes. muscle filament myofilament. myosin filament one of the thick contractile myofilaments in a myofibril. thick filaments bipolar myosin filaments occurring in striated muscle. thin filaments actin filaments occurring, associated with troponin and tropomyosin, in striated muscle.
filament [fil´ah-ment] 1. a delicate fiber or thread. 2. in an x-ray tube, the wire (cathode) that makes electrons available for interaction with the anode when it is heated to incandescence to form an electron cloud. actin filament one of the thin contractile filaments in a myofibril, composed mainly of actin; each actin filament is surrounded by three myosin filaments. myosin filament one of the thick contractile filaments in a myofibril, composed mainly of myosin; each myosin filament is surrounded by six actin filaments. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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