title: Ultrastructural studies of the effect of antigen on macrophages from sensitive guinea pigs.
mesh_terms: D000818:Animals; D000941:Antigens; D002467:Cell Nucleus / Q000648:ultrastructure; D004168:Diphtheria Toxoid; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D006168:Guinea Pigs; D006968:Hypersensitivity, Delayed / Q000473:pathology*; D006969:Hypersensitivity, Immediate / Q000473:pathology; D008247:Lysosomes / Q000648:ultrastructure; D008264:Macrophages / Q000648:ultrastructure*; D008928:Mitochondria / Q000648:ultrastructure
chemical_list: D000941:Antigens; D004168:Diphtheria Toxoid