| Wassermann antibody | Antibody, evoked during syphilitic infections, that combines with cardiolipin in the presence of lecithin and cholesterol; it is distinct from the treponema-immobilizing antibody. (05 Mar 2000) |
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| Wassermann, August von | <person> German bacteriologist, 1866-1925. See: Wassermann antibody, Wassermann reaction, Wassermann test, provocative Wassermann test. (05 Mar 2000) |
| Wassermann-fast | A term used to designate a case in which the Wassermann reaction remains positive despite all treatment. (05 Mar 2000) |
| Wassermann reaction | <investigation> A complement fixation test used to diagnose syphilis. (31 Dec 1997) |
| Wassermann test | <investigation> A complement fixation test used to diagnose syphilis. (31 Dec 1997) |
| provocative Wassermann test | An obsolete test of historical interest only; the use of the Wassermann test from one or two days to one or two weeks after the administration of arsphenamine or neoarsphenamine; the result may then be positive when before the giving of arsphenamine it was negative. (05 Mar 2000) |