释义 |
DictionarySeeactinthin filaments
filament (fil′ă-mĕnt) [L. filamentum, threading] 1. A fine thread. 2. A threadlike coil of tungsten found in the x-ray tube that is the source of electrons. axial filamentA filament forming the central axis of the flagellum of a spermatozoon.intermediate filament Abbreviation: IF Slender proteins found in all eukaryotic cells, measuring about 8 to 12 nm in diameter. Intermediate filaments are composed of proteins including desmin, keratins, lamins, and vimentin and together with microtubules and microfilaments form the cytoskeleton. Some malignant cells can be identified by the specific proteins in their intermediate filaments. thick filamentsMyosin, seen microscopically.thin filamentsActin, seen microscopically.thin filaments The actin filaments in muscle cells. |