Agglutination of an agglutinogen of one individual by a serum from another individual of the same species, 16 letters
An antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species, 13 letters
An antigen capable of causing the production of (or reacting with) an isoagglutinin, 15 letters
An antibody that occurs naturally against foreign tissues from a person of the same species, 11 letters