| widal test | <investigation> A test involving agglutination of typhoid bacilli when they are mixed with serum containing typhoid antibodies from an individual having typhoid fever, used to detect the presence of Salmonella typhi and s. Paratyphi. Pronounced: vidal (13 Nov 1997) |
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| Widal's reaction | Agglutination reaction as applied to the diagnosis of typhoid. Synonym: Gruber's reaction, Gruber-Widal reaction. (05 Mar 2000) |
| Widal's syndrome | <clinical sign> An obsolete term for acquired haemolytic icterus. Synonym: Widal's syndrome. (05 Mar 2000) |
| Widal, Georges | <person> French physician, 1862-1929. See: Widal's reaction, Widal's syndrome, Gruber-Widal reaction, Hayem-Widal syndrome. (05 Mar 2000) |
| Gruber-Widal reaction | Agglutination reaction as applied to the diagnosis of typhoid. Synonym: Gruber's reaction, Gruber-Widal reaction. (05 Mar 2000) |
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| Hayem-Widal syndrome | <clinical sign> An obsolete term for acquired haemolytic icterus. Synonym: Widal's syndrome. (05 Mar 2000) |