Widal test(redirected from Widal Reaction)
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Related to Widal Reaction: typhoid
A test of blood serum that uses an agglutination reaction to diagnose typhoid fever.
[After Fernand Widal (1862-1929), French physician.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||Widal test - a test for detecting typhoid fever and other salmonella infections|
agglutination test - a blood test used to identify unknown antigens; blood with the unknown antigen is mixed with a known antibody and whether or not agglutination occurs helps to identify the antigen; used in tissue matching and blood grouping and diagnosis of infections
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