- actin filament
- one of the thin contractile myofilaments in a myofibril, composed mainly of actin; each actin filament is surrounded by three myosin filaments.
Medical dictionary. 2011.
actin filament
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Filament D'actine — Un filament d actine, ou microfilament, est un homopolymère d actine, protéine de 42 kDa (Unité de masse atomique). C est un constituant essentiel du cytosquelette des cellules eucaryotes, ainsi que des fibres musculaires. L actine sous forme de… … Wikipédia en Français
actin — /ak teuhn/, n. Biochem. a globulin that is present in muscle plasma and that in connection with myosin plays an important role in muscle contraction. [1940 45; perh. ACT + IN2] * * * One of two proteins responsible for contraction of muscle cells … Universalium
Filament d'actine — Un filament d actine, ou microfilament, est un homopolymère d actine, protéine de 42 kDa (Unité de masse atomique). C est un constituant essentiel du cytosquelette des cellules eucaryotes, ainsi que des fibres musculaires. L actine représente… … Wikipédia en Français
filament — 1. SYN: filamentum. 2. In bacteriology, a fine threadlike form, unsegmented or segmented without constrictions. [L. filamentum, fr. filum, a thread] actin f. one of the contractile elements in muscular fibers and other cells; in skeletal muscle,… … Medical dictionary
actin binding proteins — A diverse group of proteins that bind to actin and that may stabilize F actin filaments, nucleate filament formation, cross link filaments, lead to bundle formation etc … Dictionary of molecular biology
Sliding filament model — Ratchet mechanism redirects here (it is the name given in some textbooks to the sliding filament mechanism). For the mechanical device, see Ratchet (device) The sliding filament theory describes a process used by muscles to contract. It was… … Wikipedia
