| James Parkinson | <person> This English physician is chiefly remembered for his 66-page "Essay on the Shaking Palsy" (first edition is valued at |
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| James tracts | Atrio-His bundle connections thought to be the basis for the short P-R interval syndrome; these fibre's should be distinguished from the internodal tracts of the atrium, sometimes referred to as "James tracts." Synonym: James tracts. (05 Mar 2000) |
| James Watson | <person> An American biochemist and alumnus of Indiana University born in 1928 who was one of three people to win the Nobel Prize in 1962 for the category of physiology or medicine. He and Francis Crick, an English biologist, discovered the double-stranded helix structure of the DNA molecule and built the Watson-Crick model of this structure. Their work was heavily based on the work of Maurice Wilkins (who also won the Nobel Prize in physiology or medicine in 1962) and Rosalind Franklin (who died before the 1962 Nobel Prize winners were selected). The model they postulated is the accepted model used today. Lived: 1928- (13 Nov 1997) |
| james's powder | <medicine> Antimonial powder, first prepared by Dr. James, ar English physician. Synonym: fever powder. Source: Websters Dictionary (01 Mar 1998) |
| James, George | <person> 20th century U.S. Radiologist. See: Swyer-James syndrome, Swyer-James-MacLeod syndrome. (05 Mar 2000) |
| James, Thomas | <person> U.S. Cardiologist and physiologist, *1925. See: James fibres, James tracts. (05 Mar 2000) |
| James, William | <person> U.S. Psychologist, 1842-1910. See: James-Lange theory. (05 Mar 2000) |
| James-Lange theory | That bodily changes, such as tachycardia or sweating, precede rather than follow the conscious perception of an emotion and by themselves evoke the emotional feeling. (05 Mar 2000) |
| jamesonite | <chemical> A steel-gray mineral, of metallic luster, commonly fibrous massive. It is a sulphide of antimony and lead, with a little iron. Origin: From Prof. Jameson, of Edinburgh. Source: Websters Dictionary (01 Mar 1998) |
| Jamestown Canyon virus | A member of the California group of arboviruses (family Bunyaviridae) which has been associated with a mild febrile illness in humans in North America. (05 Mar 2000) |
| jamestown weed | <botany> The poisonous thorn apple or stramonium (Datura stramonium), a rank weed early noticed at Jamestown, Virginia. See Datura. This name is often corrupted into jimson, jimpson, and gympsum. Source: Websters Dictionary (01 Mar 1998) |
| Jamin Lebedeff system | <apparatus> Interference microscopy in which object and reference beams are split and later recombined by birefringent calcite plates, but pass through the same optical components (in contrast to the Mach Zehnder system). (18 Nov 1997) |
| jan | One of intermediate order between angels and men. Origin: Ar. Source: Websters Dictionary (01 Mar 1998) |
| Janet's test | A test for functional or organic anaesthesia; the patient (with eyes closed) is told to say "yes" or "no" when he feels or does not feel the touch of the examiner's finger; in the case of functional anaesthesia he may say "no" when an anaesthetic area is touched, but will say nothing, being unaware that he is touched, in cases of organic anaesthesia. (05 Mar 2000) |
| Janet, Pierre | <person> French neurologist, 1859-1947. See: Janet's test. (05 Mar 2000) |