title: Ultrastructure of granulopoiesis in tunica propria of the bursa of Fabricius.
mesh_terms: D000818:Animals; D002060:Bursa of Fabricius / Q000166:cytology*; D002642:Chick Embryo; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D004804:Eosinophils / Q000648:ultrastructure; D006098:Granulocytes / Q000648:ultrastructure*; D006410:Hematopoiesis; D006412:Hematopoietic Stem Cells / Q000648:ultrastructure; D008854:Microscopy, Electron