title: Immunologic basis of hypersensitivity.
mesh_terms: D000707:Anaphylaxis; D000818:Animals; D000937:Antigen-Antibody Reactions; D001183:Arthus Reaction; D001249:Asthma / Q000209:etiology*; D003877:Dermatitis, Contact; D006168:Guinea Pigs; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology*; D006968:Hypersensitivity, Delayed / Q000276:immunology*; D007112:Immunity, Maternally-Acquired; D010323:Passive Cutaneous Anaphylaxis; D014181:Transplantation Immunology