The activation of complement components by aggregates of antibodies and their fragments.
D000818:Animals; D000906:Antibodies; D000937:Antigen-Antibody Reactions; D003167:Complement Activation; D003172:Complement C1; D003175:Complement C2; D003176:Complement C3; D003181:Complement C4; D003168:Complement Fixation Tests; D003171:Complement Pathway, Classical; D006168:Guinea Pigs; D007140:Immunoglobulin Fab Fragments; D007141:Immunoglobulin Fc Fragments; D011817:Rabbits
D000906:Antibodies; D003172:Complement C1; D003175:Complement C2; D003176:Complement C3; D003181:Complement C4; D007140:Immunoglobulin Fab Fragments; D007141:Immunoglobulin Fc Fragments