| 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) |
| dual-cure resin | A resin which utilises both light and chemical initiation to activate polymerization. (05 Mar 2000) |
| dualin | <chemistry> An explosive substance consisting essentially of sawdust or wood pulp, saturated with nitroglycerin and other similar nitro compounds. It is inferior to dynamite, and is more liable to explosion. Source: Websters Dictionary (01 Mar 1998) |
| dualism | <physiology> State of being dual or twofold; a twofold division; any system which is founded on a double principle, or a twofold distinction; as: The theory that each cerebral hemisphere acts independently of the other. "An inevitable dualism bisects nature, so that each thing is a half, and suggests another thing to make it whole." (Emerson) Origin: Cf. F. Dualisme. Source: Websters Dictionary (01 Mar 1998) |
| dualistic | Consisting of two; pertaining to dualism or duality. <chemistry> Dualistic system or theory, the theory, originated by Lavoisier and developed by Berzelius, that all definite compounds are binary in their nature, and consist of two distinct constituents, themselves simple or complex, and possessed of opposite chemical or electrical affinities. Source: Websters Dictionary (01 Mar 1998) |
| 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) |