Term: widal test: a test for detecting typhoid fever and other salmonella infections
Broader: 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 | Unrelated: sketcher: an implement for sketching
Broader: 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 | Unrelated: essential amino acid: an amino acid that is required by animals but that they cannot synthesize; must be supplied in the diet