title: The role of the bursa of Fabricius in the ontogeny of the myeloid system.
mesh_terms: D000818:Animals; D002060:Bursa of Fabricius / Q000196:embryology* / Q000502:physiology / Q000648:ultrastructure; D002642:Chick Embryo; D006410:Hematopoiesis; D007962:Leukocytes / Q000502:physiology; D008208:Lymphatic System / Q000196:embryology*