| DP | data processing; deep pulse; definitive procedure; degradation product; degree of polymerization; de... |
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| VPC | vapor-phase chromatography; ventricular premature complex; ventricular premature contraction; volume... |
| VPI | vapor phase inhibitor; velopharyngeal insufficiency |
| ILP | inadequate luteal phase; insufficiency of luteal phase; interstitial laser photocoagulation; interst... |
| SPIA | solid-phase immunoabsorption; solid-phase immunoassay |
| Phase I | phase |
|---|---|
| S phase | synthesis phase |
| APRF | 3/acute phase response factor |
| SPRIA | Solid Phase Radioimmune Assay |
| APR | Acute Phase Response |
| polymerization | <chemistry> The act or process of changing to a polymeric form; the condition resulting from such change. Source: Websters Dictionary (01 Mar 1998) |
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| anaesthetic vapor | The gaseous phase of a liquid anaesthetic with sufficient partial pressure at room temperature to produce general anaesthesia when inhaled. (05 Mar 2000) |
| vapor | To send off in vapor, or as if in vapor; as, to vapor away a heated fluid. Alternative forms: vapour] "He'd laugh to see one throw his heart away, Another, sighing, vapor forth his soul." (B. Jonson) 1. <physics> Any substance in the gaseous, or aeriform, state, the condition of which is ordinarily that of a liquid or solid. The term vapor is sometimes used in a more extended sense, as identical with gas; and the difference between the two is not so much one of kind as of degree, the latter being applied to all permanently elastic fluids except atmospheric air, the former to those elastic fluids which lose that condition at ordinary temperatures. The atmosphere contains more or less vapor of water, a portion of which, on a reduction of temperature, becomes condensed into liquid water in the form of rain or dew. The vapor of water produced by boiling, especially in its economic relations, is called steam. "Vapor is any substance in the gaseous condition at the maximum of density consistent with that condition. This is the strict and proper meaning of the word vapor." (Nichol) 2. In a loose and popular sense, any visible diffused substance floating in the atmosphere and impairing its transparency, as smoke, fog, etc. "The vapour which that fro the earth glood [glided]" (Chaucer) "Fire and hail; snow and vapors; stormy wind fulfilling his word." (Ps. Cxlviii. 8) 3. Wind; flatulence. 4. Something unsubstantial, fleeting, or transitory; unreal fancy; vain imagination; idle talk; boasting. "For what is your life? It is even a vapor, that appeareth for a little time, and then vanisheth away." (James iv. 14) 5. An old name for hypochondria, or melancholy; the blues. "A fit of vapors." 6. <pharmacology> A medicinal agent designed for administration in the form of inhaled vapor. Vapor bath. A bath in vapor; the application of vapor to the body, or part of it, in a close place; also, the place itself. <chemistry> The relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. The vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight. Vapor engine, an engine worked by the expansive force of a vapor, especially. A vapor other than steam. Origin: OE. Vapour, OF. Vapour, vapor, vapeur, F. Vapeur, L. Vapor; probably for cvapor, and akin to Gr. Smoke, to breathe forth, Lith. Kvepti to breathe, smell, Russ. Kopote fine soot. Cf. Vapid Alternative forms: vapour. Source: Websters Dictionary (01 Mar 1998) |
| vapor density | The mass per unit volume of a vapor; since the vapor density changes with temperature and pressure, it is commonly expressed as a specific gravity, i.e., the weight of the vapor divided by the weight of an equal volume of a reference gas (e.g., oxygen or hydrogen) at the same temperature and pressure. (05 Mar 2000) |
| vapor pressure | The partial pressure exerted by the vapor phase of a liquid. (05 Mar 2000) |
| mercury vapor lamp | A lamp in which the electric arc is in an ionised mercury vapor atmosphere; it produces ultraviolet light that can be used therapeutically or in diagnostic photometry. (05 Mar 2000) |
| accelerated phase of leukaemia | Refers to chronic myelogenous leukaemia that is progressing. The number of immature, abnormal white blood cells in the bone marrow and blood is higher than in the chronic phase, but not as high as in the blast phase. (12 Dec 1998) |
| acceleration phase | <cell biology, cell culture> A period of increasing growth before the log phase in a culture of microbes. After the culture is started on a medium, at first there is no growth (the lag phase) and then the microbes start to gradually grow (acceleration phase) until they reach a constant maximum rate of growth (log phase). (15 Jan 1998) |
| acute-phase protein | <haematology> These plasma proteins (in addition to fibrinogen) increase 25% or more in response to inflammation and injury are under direct control of interleukin-6 (IL-6) (hepatocyte-stimulating factor). Other proteins which increase are ceruloplasmin, C3 and C4 which increase 50% or more; alpha-1 acid glycoprotein, alpha-1 antitrypsin, haptoglobin and fibrinogen (the major determinant of viscosity 1 ) which increase two- to fourfold; C-reactive protein (CRP) and serum amyloid A which increase several hundred-fold. Despite long-held clinical opinion to the contrary, available data indicate that neither ESR nor measurement of specific acute-phase reactants are useful in excluding underlying infection or inflammation regardless of the pretest probability. These proteins are secreted into the blood in increased or decreased quantities by hepatocytes in response to trauma, inflammation, or disease. They can serve as inhibitors or mediators of the inflammatory processes. Certain acute-phase proteins have been used to diagnose and follow the course of diseases or as tumour markers. See also: amyloid, c-reactive protein, erythrocyte sedimentation rate, viscosity. (25 Jun 1999) |
| acute-phase reaction | <immunology, rheumatology> Refers to the changes in synthesis of certain proteins within the serum during an inflammatory response, which provides rapid protection for the host against microorganisms via non-specific defense mechanisms. It consists of fever, an increase in inflammatory humoral factors, and an increased synthesis by hepatocytes of a number of proteins or glycoproteins usually found in the plasma; the reaction is mediated by endogenous pyrogens, the hypothalamus, adrenal hormones, and other factors. (12 Jul 2000) |
| anal phase | In psychoanalytic personality theory, the stage of psychosexual development, occurring when a child is between 1 and 3 years, during which activities, interests, and concerns are centreed around the anal zone. (05 Mar 2000) |
| aqueous phase | The water portion of a system consisting of two liquid phase's, one mainly water, the other a liquid immiscible with water (e.g., benzene, ether). (05 Mar 2000) |
| blast phase | Refers to advanced chronic myelogenous leukaemia. In this phase, the number of immature, abnormal white blood cells in the bone marrow and blood is extremely high. Also called blast crisis. (12 Dec 1998) |
| g0 phase | Phase of the cell cycle where cells exist in a quiescent state. These cells have unduplicated DNA, degraded RNA and protein, and low enzyme activity. The ability to switch between g0 and g1 (and vice versa) determines the post-embryonic cell proliferation rate and is defectively controlled in neoplastic cells. (12 Dec 1998) |
| g1 phase | <cell biology, molecular biology> The period during interphase in the cell cycle between mitosis and the S phase (when DNA is replicated). Also known as the decision period of the cell, because the cell decides to divide when it enters the s phase. The G stands for gap. (09 Oct 1997) |
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