Protection from malignancy by nonimmune lymphoid cells.
D000375:Aging; D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D002060:Bursa of Fabricius / Q000601:surgery; D002448:Cell Adhesion; D002645:Chickens; D017710:Lymphocyte Transfusion; D008214:Lymphocytes / Q000276:immunology*; D008264:Macrophages / Q000276:immunology; D008380:Marek Disease / Q000401:mortality / Q000517:prevention & control*; D011817:Rabbits; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology; D013934:Thymectomy; D014185:Transplantation, Isogeneic