serum agglutinin n.
An antibody that coats bacteria or Rh-positive red blood cells, preventing them from agglutinating when suspended in saline. Also called incomplete antibody.
noun, plural serums, sera [seer-uh] /ˈsɪər ə/ (Show IPA) 1. the clear, pale-yellow liquid that separates from the clot in the coagulation of blood; blood serum. 2. immune serum. 3. any watery animal fluid. 4. the thin, clear part of the fluid of plants. 5. milk whey. noun (pl) -rums, -ra (-rə) 1. See blood […]
noun 1. Biochemistry. the principal protein of blood plasma, important in osmotic regulation of the blood and transport of metabolites. 2. the commercial form of this substance, used in dye preparations, foodstuffs, and in medicine especially in the treatment of shock. serum albumin noun 1. a form of albumin that is the most abundant protein […]
serum-fast adj. Relating to a serum showing little or no change in its antibody titer, even under conditions of treatment or immunologic stimulation.
- Serum globulin
noun 1. the blood serum component consisting of proteins with a larger molecular weight than serum albumin See also immunoglobulin serum globulin n. A protein fraction of serum composed chiefly of antibodies.