title: Homeostasis of effector systems which can also be recruited for immunologic reactions.
mesh_terms: D000707:Anaphylaxis / Q000276:immunology; D000818:Animals; D000937:Antigen-Antibody Reactions; D002634:Chemotaxis, Leukocyte; D003170:Complement Pathway, Alternative; D004804:Eosinophils / Q000276:immunology; D006168:Guinea Pigs; D006706:Homeostasis; D006801:Humans; D006969:Hypersensitivity, Immediate / Q000276:immunology; D007109:Immunity; D008407:Mast Cells / Q000276:immunology; D009842:Oligopeptides; D011414:Properdin
chemical_list: D009842:Oligopeptides; D011414:Properdin