The cells in lymph.
D000818:Animals; D000941:Antigens; D006968:Hypersensitivity, Delayed; D008196:Lymph / Q000032:analysis / Q000166:cytology*; D008208:Lymphatic System / Q000502:physiology; D008214:Lymphocytes / Q000276:immunology; D012756:Sheep
D000941:Antigens