[Proceedings: Gradation of immunologic defense system].
D000917:Antibody Formation; D004847:Epithelial Cells; D004848:Epithelium / Q000378:metabolism; D006801:Humans; D007109:Immunity; D008198:Lymph Nodes / Q000378:metabolism; D012157:Mononuclear Phagocyte System / Q000378:metabolism; D009092:Mucous Membrane / Q000378:metabolism; D012867:Skin / Q000378:metabolism
Staffelung des immunologischen Abwehrsystems.