[Pathological significance of the lymphocytes].
D000818:Animals; D006168:Guinea Pigs; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000473:pathology; D066298:In Vitro Techniques; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000276:immunology; D008264:Macrophages; D051381:Rats; D012882:Skin Tests; D014181:Transplantation Immunology