title: Elements of a good decision.
abstract: Signal integration, network complexities and genetic programming render the immune system ready to react to challenges from without and within.
mesh_terms: D015496:CD4-Positive T-Lymphocytes / Q000166:cytology / Q000276:immunology*; D018414:CD8-Positive T-Lymphocytes / Q000166:cytology / Q000276:immunology*; D006801:Humans; D007113:Immunity, Innate / Q000235:genetics / Q000276:immunology*; D015398:Signal Transduction / Q000276:immunology*