Also found in: Thesaurus, Medical, Encyclopedia.


An isoantibody normally present in the serum of an individual that causes the agglutination of the red blood cells of another individual of the same species.


(Biology) an antibody that causes agglutination of red blood cells in animals of the same species from which it was derived


(ˌaɪ soʊ əˈglut n ɪn)

an agglutinin that can effect isoagglutination.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isoagglutinin - an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
agglutinin - an antibody that causes agglutination of a specific antigen
References in periodicals archive ?
Innovators Developing New, Single-Use Antibody Capture Device for the Removal of Isoagglutinin Antibodies
Together, HemCon and ProMetic will develop and validate a sterile, single-use antibody capture device for the removal of isoagglutinin antibodies.
Immediate spin phase of the cross-match tests for IgM isoagglutinins and the 37[degrees]C and Coombs' phase tests for IgA antibodies.