| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
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| CSPINE | corticosteroid use, seropositive RA, peripheral joint destruction, involvement of cervical nerves, n... |
| RID | radial immunodiffusion; remission-inducing drug; ruptured intervertebral disc |
| RIVD | ruptured intervertebral disc |
| RLD | related living donor; ruptured lumbar disc |
| proligerous disk | A mass of epithelial cells surrounding the ovum in the ovarian follicle. Synonym: discus proligerus, ovigerus, proligerous disk, proligerous membrane. Origin: NA (05 Mar 2000) |
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| Hensen's disk | <cell biology> The H band is an area within muscle tissue which is light when stained and consists only of myosin fibres (and no actin fibres). The H band is at the centre of each muscle sarcomere. (09 Oct 1997) |
| herniated disk | <orthopaedics> A condition that results in the abnormal protrusion (bulging), herniation or prolapse of a vertebral disc from its normal position in the vertebral column. The displaced disc may exert force on a nearby nerve root causing the typical neurologic symptoms of radiating pain (to an extremity), numbness, tingling and weakness. Recurrent episodes of severe back pain are common. Treatment includes non-steroidal anti-inflammatories, corticosteroids and rest. More advanced cases may require surgical intervention (for example laminectomy, micro-disc surgery). (27 Sep 1997) |
| protruded disk | <orthopaedics> A condition that results in the abnormal protrusion (bulging), herniation or prolapse of a vertebral disc from its normal position in the vertebral column. The displaced disc may exert force on a nearby nerve root causing the typical neurologic symptoms of radiating pain (to an extremity), numbness, tingling and weakness. Recurrent episodes of severe back pain are common. Treatment includes non-steroidal anti-inflammatories, corticosteroids and rest. More advanced cases may require surgical intervention (for example laminectomy, micro-disc surgery). (27 Sep 1997) |
| secci disk | A black-and-white disk lowered into the water to measure water transparency, an average is taken of the depth at which the disk disappears when lowered and reappears when raised. (09 Oct 1997) |
| spinning disk nebuliser | A nebuliser in which water is changed into small particles as it is thrown by centrifugal force from a spinning disk. (05 Mar 2000) |
| stenopeic disk | A metallic or other opaque disk with a narrow slit through which one looks; used as a test for astigmatism. (05 Mar 2000) |
| sternoclavicular articular disk | The fibrocartilaginous disk that subdivides the sternoclavicular joint into two cavities. Synonym: discus articularis sternoclavicularis, sternoclavicular disk, sternoclavicular articular disk. (05 Mar 2000) |
| Newton's disk | A disk on which are seven coloured sectors, each occupying proportionally the same space as the corresponding primary colour in the spectrum; when the disk is rapidly rotated it appears white. (05 Mar 2000) |
| stroboscopic disk | A revolving disk that gives successive views of a moving object. (05 Mar 2000) |
| Nipkow disk | <microscopy> An opaque circular disk perforated with small holes arranged at equal angular separations and in an Archimedes spiral. The holes trace a raster scanning pattern when the disk is spun around its centre. The Nipkow disk was used in early experiments on television and more recently in Petrans confocal microscope. (05 Aug 1998) |
| depression of optic disk | The normally occurring depression or pit in the centre of the optic disc. Synonym: excavatio disci, depression of optic disk, excavatio papillae, physiologic cup, physiologic excavation. (05 Mar 2000) |
| diamond disk | A steel disk with the cutting surface(s) covered with fine diamond chips, for use in a dental handpiece. (05 Mar 2000) |
| disk | 1. A discus; a quoit. "Some whirl the disk, and some the javelin dart." (Pope) 2. A flat, circular plate; as, a disk of metal or paper. 3. <astronomy> The circular figure of a celestial body, as seen projected of the heavens. 4. <biology> A circular structure either in plants or animals; as, a blood disk; germinal disk, etc. 5. <botany> The whole surface of a leaf. The central part of a radiate compound flower, as in sunflower. A part of the receptacle enlarged or expanded under, or around, or even on top of, the pistil. 6. <zoology> The anterior surface or oral area of coelenterate animals, as of sea anemones. The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk. In owls, the space around the eyes. Disk engine, a form of rotary steam engine. <zoology> Disk shell, any species of Discina. Origin: L. Discus, Gr. See Dish Alternative forms: disc. Source: Websters Dictionary (01 Mar 1998) |
| disk disease | A condition that results in the abnormal protrusion (bulging), herniation or prolapse of a vertebral disc from its normal position in the vertebral column. The displaced disc may exert force on a nearby nerve root causing the typical neurologic symptoms of radiating pain (to an extremity), numbness, tingling and weakness. Recurrent episodes of severe back pain are common. Treatment includes non-steroidal anti-inflammatories, corticosteroids and rest. More advanced cases may require surgical intervention (for example laminectomy, micro-disc surgery). (27 Sep 1997) |