| sandpaper disks | Disk's of paper coated with various grits of silica; used to abrade or smooth the surface of teeth or dental materials. (05 Mar 2000) |
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| Q disks | The dark-staining anisotropic cross striations in the myofibrils of muscle fibres, comprising regions of overlapping thick (myosin) and thin (actin) filaments. Synonym: A disks, anisotropic disks, Q bands, Q disks. (05 Mar 2000) |
| emery disks | Disk's of paper or other materials coated with emery powder used to abrade or smooth the surface of teeth or fillings. (05 Mar 2000) |