| AAR | active avoidance reaction; acute articular rheumatism; antigen-antiglobulin reaction |
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| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| CFR | case-fatality ratio; citrovorum-factor rescue; Code of Federal Regulations; complement-fixation reac... |
| CRT | cadaveric renal transplant; cardiac resuscitation team; cathode-ray tube; certified; Certified Recor... |
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| pyridostigmine bromide | <chemical> A cholinesterase inhibitor with a slightly longer duration of action than neostigmine. It is used in the treatment of myasthenia gravis and to reverse the actions of muscle relaxants. Pharmacological action: cholinesterase inhibitor, parasympathomimetic. Chemical name: Pyridinium, 3-(((dimethylamino)carbonyl)oxy)-1-methyl-, bromide (12 Dec 1998) |
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| hydrogen bromide | HBr;a colourless gas that has a very irritating odour and fumes in moist air; in aqueous solution, it is hydrobromic acid. Hydrogen chloride, HCl;a very soluble gas which, in solution, forms hydrochloric acid. (05 Mar 2000) |
| sodium bromide | NaBr;a hypnotic and sedative; used in epilepsy and other functional disorders of the nervous system. (05 Mar 2000) |
| decamethonium bromide | Decamethylene-1,10-bis-trimethylammonium dibromide;a synthetic nondepolarising neuromuscular blocking agent used to produce muscular relaxation during general anaesthesia. (05 Mar 2000) |
| demecarium bromide | A potent cholinesterase inhibitor used in the treatment of glaucoma and accommodative esotropia; it is stable in aqueous solution. (05 Mar 2000) |
| domiphen bromide | Dodecyldimethyl(2-phenoxyethyl)ammonium bromide;an antiseptic. (05 Mar 2000) |
| oxyphenonium bromide | Diethyl(2-hydroxyethyl)methylammonium bromide alpha-phenyl-alpha-cyclohexylglycolate;a quaternary ammonium compound with anticholinergic action. (05 Mar 2000) |
| thonzonium bromide | Hexadecyl[2-[(p-methoxybenzyl)-2-pyrimidinylamino]ethyl]dimethylammonium bromide;a surface-active agent used in ear drops and aerosols. (05 Mar 2000) |
| ethidium bromide | <chemical, molecular biology> A dye that intercalates into DNA and to some extent RNA. Intercalation into linear DNA is easier than into circular DNA and the addition of ethidium bromide to DNA prior to ultracentrifugation on a caesium chloride gradient is much used to separate nuclear and mitochondrial or plasmid DNA for analytical purposes. Because less intercalates into the circular DNA, the density remains higher. (18 Nov 1997) |
| 2-hydroxy-5-nitrobenzyl bromide | <chemical> 2-(bromomethyl)-5-nitrophenol. A chemical reagent that reacts with and modifies chemically the tryptophan portion of protein molecules. Used for 'active site' enzyme studies and other protein studies. Sometimes referred to as koshland's reagent. Pharmacological action: indicators and reagents. Chemical name: Phenol, 2-(bromomethyl)-4-nitro- (12 Dec 1998) |
| lithium bromide | LiBr;a white deliquescent powder, used as a sedative and hypnotic. (05 Mar 2000) |
| accelerated reaction | A response occurring in a shorter time than expected; the cutaneous manifestations occurring during the period between the second and tenth day following smallpox vaccination; because it is intermediate between a primary reaction and an immediate reaction, it is regarded as evidence of some degree of resistance. Synonym: vaccinoid reaction. (05 Mar 2000) |
| acid reaction | Any test by which an acid reaction is recognised such as the change of blue litmus paper to red, an excess of hydrogen ions over hydroxide ions in aqueous solution indicated by a pH value less than 7 (at 22캜). Compare: dissociation constant of water. (05 Mar 2000) |
| 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) |
| acute situational reaction | An acute emotional reaction related to extreme environmental stress. Synonym: acute situational reaction. (05 Mar 2000) |