| radiography, dual-energy scanned projection | A method of producing a high-quality scan by digitizing and subtracting the images produced by high- and low-energy X-rays. (12 Dec 1998) |
|---|---|
| diagnosis, dual (psychiatry) | The coexistence of a substance abuse disorder with a psychiatric disorder. The diagnostic principle is based on the fact that it has been found often that chemically dependent patients also have psychiatric problems of various degrees of severity. (12 Dec 1998) |
| dual-cure resin | A resin which utilises both light and chemical initiation to activate polymerization. (05 Mar 2000) |
| dual leucine zipper bearing kinase | <enzyme> A serine/threonine kinase but hybrid between microtubule-associated protein kinase kinase kinases and the fibroblast growth factor receptor family; genbank u14636; do not confuse with the neoplasm protein dlk Registry number: EC 2.7.10.- Synonym: dlk kinase (26 Jun 1999) |
| dual personality | A mental disturbance in which a person assumes alternately two different identities without either personality being consciously aware of the other. See: multiple personality. (05 Mar 2000) |
| dual recognition hypothesis | An outmoded hypothesis that is known to be incorrect now that the structure of the T-cell receptor is known. The proposal was that viral (and some chemical) antigens were recognised in association with histocompatibility antigens by separate receptors on the T-cell. The generation of cytotoxic T-cells was by association with Class I MHC antigens, of T helper cells by association with Class II MHC antigens. See: altered self hypothesis. (18 Nov 1997) |
| dual relationships | Relationships in which a health service provider is concurrently participating in two or more role categories with a patient; such dual relationships may be benign (as when both are members of the same social group) or exploitive (a sexual relationship). (05 Mar 2000) |
| air syringe | A tapered metal tube through which air is forced from a rubber bulb or pressure tank to blow debris from, or to dry, a cavity in preparing teeth for restoration. Synonym: air syringe. (05 Mar 2000) |
| chip syringe | A tapered metal tube through which air is forced from a rubber bulb or pressure tank to blow debris from, or to dry, a cavity in preparing teeth for restoration. Synonym: air syringe. (05 Mar 2000) |
| ring syringe | A type of Luer-Lok syringe with thumb and finger rings attached to the proximal end of the barrel and to the tip of the plunger, allowing operation of the syringe with one hand. Synonym: ring syringe. (05 Mar 2000) |
| Roughton-Scholander syringe | A syringe-like device for analyzing the respiratory gases in a small sample of blood. Synonym: Roughton-Scholander syringe. (05 Mar 2000) |
| rubber-bulb syringe | A syringe with a hollow rubber bulb and cannula provided with a check valve, used to obtain a jet of air or water. (05 Mar 2000) |
| control syringe | A type of Luer-Lok syringe with thumb and finger rings attached to the proximal end of the barrel and to the tip of the plunger, allowing operation of the syringe with one hand. Synonym: ring syringe. (05 Mar 2000) |
| probe syringe | A syringe with an olive-shaped tip, used in treatment of diseases of the lacrimal passages. (05 Mar 2000) |
| hypodermic syringe | A small syringe with a barrel (which may be calibrated), perfectly matched plunger, and tip; used with a hollow needle for subcutaneous injections and for aspiration. Synonym: hypodermic. (05 Mar 2000) |