| Graham Little syndrome | Follicular hyperkeratosis of the scalp with lymphocytic perifolliculitis and lichen planus elsewhere. Synonym: Graham Little syndrome, lichen planus et acuminatus atrophicans. (05 Mar 2000) |
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| Graham Little, Sir Ernest Gordon | <person> British physician. Lived: 1867-1950. See: Graham Little syndrome. (05 Mar 2000) |
| Graham Steell's murmur | <cardiology, clinical sign> An early diastolic murmur of pulmonary insufficiency secondary to pulmonary hypertension, as in mitral stenosis and various congenital defects associated with pulmonary hypertension. Synonym: Steell's murmur. (05 Mar 2000) |
| Graham's law | <physics> The relative rapidity of diffusion of two gases varies inversely as the square root of their densities, i.e., their molecular weights. (05 Mar 2000) |
| Graham, Evarts Ambrose | <person> U.S. Surgeon who reported with W. H. Cole the first successful cholecystography in 1924; In 1933, with J. J. Singer, reported first successful removal of a lung for cancer in one stage. Lived: 1883-1957. See: Graham-Cole test. (05 Mar 2000) |
| Graham, Thomas | <person> English chemist. Lived: 1805-1869. See: Graham's law. (05 Mar 2000) |
| Graham-Cole test | Radiography of the gallbladder after ingestion of a contrast medium. (12 Dec 1998) |
| Grahamella | <bacteria> A genus of aerobic, nonmotile microorganisms (order Rickettsiales) containing long or short, rod-shaped, Gram-negative cells which resemble those of Bartonella but which are less pleomorphic. These organisms occur within the erythrocytes of lower mammals, but they appear to be nonpathogenic and do not affect the health of the host. Origin: G. S. Graham-Smith (05 Mar 2000) |
| grail | A book of offices in the Roman Catholic Church; a gradual. "Such as antiphonals, missals, grails, processionals, etc." (Strype) Origin: OF. Greel, LL. Gradale. See Gradual. Source: Websters Dictionary (01 Mar 1998) |
| grain | <botany> A fruit characteristic of grasses (such as rice), pollen grain, a microspore of a seed plant, or the partially developed gametophyte formed from it. (09 Oct 1997) |
| grain alcohol | <chemical> An organic chemical containing one or more hydroxyl groups. Alcohols can be liquids, semisolids or solids at room temperature. Common alcohols include ethanol (the type found in alcoholic beverages) methanol (found in methylated spirit and can cause blindness and other nervous system damage if ingested) and propanol. (06 May 1997) |
| grain itch | A cutaneous eruption occasionally noted in farmers and grain handlers, caused by the action of the mite Pyemotes ventricosus. (05 Mar 2000) |
| grained | 1. Having a grain; divided into small particles or grains; showing the grain; hence, rough. 2. Dyed in grain; ingrained. "Persons lightly dipped, not grained, in generous honesty, are but pale in goodness. " (Sir T. Browne) 3. Painted or stained in imitation of the grain of wood, marble, etc. 4. <botany> Having tubercles or grainlike processes, as the petals or sepals of some flowers. Source: Websters Dictionary (01 Mar 1998) |
| grainer | 1. An infusion of pigeon's dung used by tanners to neutralize the effects of lime and give flexibility to skins; called also grains and bate. 2. A knife for taking the hair off skins. 3. One who paints in imitation of the grain of wood, marble, etc.; also, the brush or tool used in graining. Source: Websters Dictionary (01 Mar 1998) |
| graining | 1. Indentation; roughening; milling, as on edges of coins. 2. A process in dressing leather, by which the skin is softened and the grain raised. 3. Painting or staining, in imitation of the grain of wood, atone, etc. 4. The process of separating soap from spent lye, as with salt. <zoology> A small European fresh water fish (Leuciscus vulgaris); - called also dobule, and dace. Source: Websters Dictionary (01 Mar 1998) |