The macrophage and parasitic protozoa.
D000818:Animals; D002462:Cell Membrane / Q000469:parasitology; D002633:Chemotaxis; D056890:Eukaryota / Q000276:immunology / Q000502:physiology; D000949:Histocompatibility Antigens Class II / Q000276:immunology; D006801:Humans; D008024:Ligands / Q000378:metabolism; D008264:Macrophages / Q000378:metabolism / Q000469:parasitology* / Q000648:ultrastructure; D010100:Oxygen / Q000378:metabolism; D010587:Phagocytosis; D011528:Protozoan Infections / Q000276:immunology / Q000469:parasitology*
D000949:Histocompatibility Antigens Class II; D008024:Ligands; D010100:Oxygen