title: Self-recognition as a means of cell communication in the immune system.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D001402:B-Lymphocytes / Q000276:immunology*; D002450:Cell Communication; D002454:Cell Differentiation; D003602:Cytotoxicity, Immunologic; D005802:Genes, MHC Class II; D008264:Macrophages / Q000276:immunology; D008285:Major Histocompatibility Complex; D018521:Plant Physiological Phenomena; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D000941:Antigens