title: Bursal origin of bone marrow cells with competence for antibody formation.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D001853:Bone Marrow / Q000276:immunology*; D001854:Bone Marrow Cells; D016026:Bone Marrow Transplantation; D002060:Bursa of Fabricius / Q000276:immunology* / Q000637:transplantation; D002645:Chickens; D005260:Female; D007275:Injections, Intravenous; D008297:Male; D008938:Mitosis; D009030:Mosaicism; D012730:Sex Chromosomes; D013154:Spleen / Q000166:cytology; D014184:Transplantation, Homologous