The occurrence of spontaneous rosette-forming cells in the chicken bursa of Fabricius and spleen.
D000818:Animals; D002060:Bursa of Fabricius / Q000276:immunology*; D002645:Chickens; D004912:Erythrocytes / Q000276:immunology; D007104:Immune Adherence Reaction; D012756:Sheep / Q000276:immunology; D013154:Spleen / Q000276:immunology*