- Koch tuberculin
- Old t.
Medical dictionary. 2011.
Koch tuberculin
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Tuberculin — is the name given to extracts of Mycobacterium tuberculosis, M. Bovis, or M. avium , used in skin testing in animals and humans to identify a tuberculosis infection [Tizard, I. R. (2004). Veterinary immunology: an introduction, seventh edition.… … Wikipedia
Koch's bacillus — kōks , käch əz or Koch bacillus kōk , käch n a bacillus of the genus Mycobacterium (M. tuberculosis) that causes human tuberculosis Koch kȯk (Heinrich Hermann) Robert (1843 1910) German bacteriologist. Koch is usually hailed as the founder of… … Medical dictionary
Koch,Robert — Koch (kôk, kôKH), Robert. 1843 1910. German bacteriologist who discovered the cholera bacillus and the bacterial cause of anthrax. He won a 1905 Nobel Prize for developing tuberculin. * * * … Universalium
Koch, Robert — ▪ German bacteriologist Introduction in full Robert Heinrich Hermann Koch born Dec. 11, 1843, Clausthal, Hannover [now Clausthal Zellerfeld, Ger.] died May 27, 1910, Baden Baden, Ger. German physician and one of the founders of bacteriology.… … Universalium
tuberculin — 1. A glycerin broth culture of Mycobacterium tuberculosis evaporated to 110 volume at 100°C and filtered; introduced by Robert Koch for the treatment of tuberculosis but now used chiefly for diagnostic tests; originally known as Koch old t. (OT)… … Medical dictionary
Koch , (Heinrich Hermann) Robert — (1843–1910) German bacteriologist Born the son of a mining official in Klausthal, Germany, Koch studied medicine at the University of Göttingen where he was a pupil of Jacob Henle. After graduating in 1866 and serving in the Franco–Prussian War,… … Scientists
tuberculin test — a test for tuberculosis in which a hypersensitive reaction to a given quantity of tuberculin indicates a past or present infection. [1900 05] * * * ▪ medicine procedure for the diagnosis of tuberculosis infection by the introduction into… … Universalium
Koch phenomenon postulate tuberculin — (kawk) [R. Koch] see under phenomenon, postulate, and tuberculin … Medical dictionary
Koch — Robert, German bacteriologist and Nobel laureate, 1843–1910. See K. bacillus, K. law, K. old tuberculin, K. phenomenon, K. postulates, under postulate, K. Weeks bacillus. Walter, German surgeon, *1880. See K. node, K. triangle. * * * (kawk)… … Medical dictionary
Koch phenomenon — if a guinea pig that has been previously infected with tuberculosis organisms is reinjected intracutaneously, the skin over the injected area undergoes necrosis; a superficial ulcer develops and heals quickly, and infection of regional lymph… … Medical dictionary
