| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
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| SSP | Sanarelli-Shwartzman phenomenon; subacute sclerosing panencephalitis; slice sensitivity profile; sub... |
| TRAP | carpal tunnel syndrome, Raynaud phenomenon, aching muscles, proximal muscle weakness [rheumatic diso... |
| Bombay phenomenon | A rare recessive trait at a locus that ordinarily manufactures H substance, the precursor from which the A and B phenotypes are elaborated; the mutant causes failure to produce H substance and no matter what the genotype at the ABO locus, the phenotype is O. The Bombay phenomenon is epistatic to the ABO locus. Origin: Bombay, India, where first reported (05 Mar 2000) |
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| Bordet-Gengou phenomenon | The phenomenon of complement fixation; when alexin (complement)-containing serum is added to a mixture of bacteria and specific antibody, the alexin is removed (fixed) and is not available to lyse subsequently added erythrocytes sensitised with specific antibody. See: Gengou phenomenon. (05 Mar 2000) |
| breakaway phenomenon | The occurrence, during high-altitude flight, of a sensation of being totally detached from the earth and from other people. (05 Mar 2000) |
| Brucke-Bartley phenomenon | The sensation of glare in response to successive stimuli at frequencies just below the fusion point. (05 Mar 2000) |
| Capgras' phenomenon | <syndrome> The delusional belief that a person (or persons) close to the schizophrenic patient has been substituted for by one or more impostors; may have an organic aetiology. Synonym: Capgras' phenomenon, illusion of doubles. (05 Mar 2000) |
| vacuum disk phenomenon | The appearance of a radiolucent stripe in an intervertebral disk, a manifestation of disk degeneration; a misnomer since there is gas present. (05 Mar 2000) |
| radial phenomenon | Dorsal flexion of the hand occurring involuntarily with palmar flexion of the fingers. (05 Mar 2000) |
| Galassi's pupillary phenomenon | A constriction of both pupils when an effort is made to close eyelids forcibly held apart. A variant of the pupil response to near vision. Synonym: Galassi's pupillary phenomenon, Gifford's reflex, lid-closure reaction, orbicularis phenomenon, orbicularis pupillary reflex, Piltz sign, Westphal's pupillary reflex, Westphal-Piltz phenomenon. (05 Mar 2000) |
| Gallavardin's phenomenon | Dissociation between the noisy and musical elements of the murmur of aortic stenosis, the musical element being better heard at the left sternal border and at the cardiac apex while the noisy element is better heard at the aortic area. (05 Mar 2000) |
| gap phenomenon | A short period in the cycle of the atrioventricular or intraventricular conduction allowing passage of an impulse which at other times would be blocked in transit. Synonym: excitable gap. (05 Mar 2000) |
| Gartner's vein phenomenon | Fullness of the veins of the arm and hand held below heart level and collapse at a certain variable distance above that level. (05 Mar 2000) |
| paradoxical diaphragm phenomenon | In pyopneumothorax, hydropneumothorax, and some cases of injury, the diaphragm on the affected side rises during inspiration and falls during expiration. (05 Mar 2000) |
| paradoxical pupillary phenomenon | A pupillary response to light, the reverse of that expected; e.g., contraction of the pupil in response to turning the lights off. Synonym: Flynn phenomenon, paradoxical pupillary phenomenon. (05 Mar 2000) |
| generalised Shwartzman phenomenon | When both the primary injection of endotoxin-containing filtrate and the secondary injection are given intravenously 24 hours apart, the animal usually dies within 24 hours after the second inoculation; the characteristic lesions in the rabbit include widespread haemorrhages in the lung, liver, and other organs and bilateral cortical necrosis of the kidney. This reaction has no immunological basis. Synonym: Sanarelli phenomenon, Sanarelli-Shwartzman phenomenon. (05 Mar 2000) |
| Raynaud's phenomenon | <clinical sign, dermatology> (Maurice Raynaud, French physician, 1834-1881) intermittent bilateral attacks of ischaemia of the fingers or toes and sometimes of the ears or nose, marked by severe pallor and often accompanied by paraesthesia and pain, it is brought on characteristically by cold or emotional stimuli and relieved by heat and is due to an underlying disease or anatomical abnormality. When the condition is idiopathic or primary it is termed Raynaud's disease. (18 Nov 1997) |