title: Immunocompetence and allogeneic polymorphism among invertebrates.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D006649:Histocompatibility Antigens; D007109:Immunity; D007156:Immunologic Memory; D007448:Invertebrates / Q000276:immunology*; D007519:Isoantigens; D011110:Polymorphism, Genetic; D014181:Transplantation Immunology
chemical_list: D006649:Histocompatibility Antigens; D007519:Isoantigens