Recognition and response to alloantigens.
D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D006801:Humans; D007519:Isoantigens / Q000235:genetics*; D008213:Lymphocyte Activation; D008285:Major Histocompatibility Complex; D013601:T-Lymphocytes / Q000276:immunology; D014180:Transplantation
D007519:Isoantigens