The branch of science concerned with serum, especially with specific immune or lytic serums; to measure either antigens or antibodies in sera. [sero- + G. logos, study]
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se·rol·o·gy si-'räl-ə-jē n, pl -gies a medical science dealing with blood sera and esp. their immunological reactions and properties
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n.
the study of blood serum and its constituents, particularly their contribution to the protection of the body against disease. See agglutination, complement fixation, precipitin.
• serological adj.
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se·rol·o·gy (sēr-olґə-je) [sero- + -logy] originally, the study of the in vitro reactions of immune sera, e.g., precipitin, agglutination, and complement fixation reactions. The term is now used to refer to the use of such reactions to measure serum antibody titers in infectious disease (serologic tests), to the clinical correlations of the antibody titer (the “serology†of a disease), and to the use of serologic reactions to detect antigens (e.g., “serologically defined†human leukocyte antigens). serologic, serological adjMedical dictionary. 2011.