The role of phagocytic cells in the defence of the host.
D001419:Bacteria / Q000276:immunology*; D001853:Bone Marrow / Q000276:immunology; D006098:Granulocytes / Q000276:immunology; D006801:Humans; D007111:Immunity, Cellular; D008264:Macrophages / Q000276:immunology; D010586:Phagocytes / Q000276:immunology / Q000502:physiology*; D010587:Phagocytosis; D009626:Terminology as Topic