| thin filament | Filaments 7-9nm diameter attached to the Z discs of striated muscle, have opposite polarity in each half sarcomere. Built of F actin with associated tropomyosin and troponin. (18 Nov 1997) |
|---|---|
| Z filament | The thin zig-zag structure at the Z line of striated muscle fibres to which the actin filament's attach. (05 Mar 2000) |
| filament | See: thick filaments, thin filaments, intermediate filaments and microfilaments. (18 Nov 1997) |
| filament-nonfilament count | A differential count of the number of neutrophils showing nuclear division and those showing no such division. (05 Mar 2000) |
| filament polymorphonuclear leukocyte | Any mature polymorphonuclear leukocyte, especially a neutrophilic leukocyte, in which the lobes of the nucleus are interconnected with a thin strand or filament of chromatin. (05 Mar 2000) |