title: Identification of the bursa-dependent and thymus-dependent areas in the tonsilla caecalis of chickens.
mesh_terms: D000818:Animals; D002060:Bursa of Fabricius / Q000502:physiology* / Q000528:radiation effects; D002432:Cecum; D002645:Chickens / Q000033:anatomy & histology*; D008208:Lymphatic System / Q000302:isolation & purification; D008214:Lymphocytes / Q000166:cytology; D008221:Lymphoid Tissue / Q000033:anatomy & histology*; D008297:Male; D011830:Radiation Effects; D013950:Thymus Gland / Q000502:physiology* / Q000528:radiation effects