title: The bursa of Fabricius in birds. Recent histochemical aspects of its differentiation towards immunological competence.
mesh_terms: D000135:Acid Phosphatase / Q000378:metabolism*; D000818:Animals; D000917:Antibody Formation; D002060:Bursa of Fabricius / Q000196:embryology* / Q000201:enzymology / Q000276:immunology; D002454:Cell Differentiation; D002642:Chick Embryo; D004950:Esterases / Q000378:metabolism*; D006651:Histocytochemistry; D007931:Leucyl Aminopeptidase / Q000378:metabolism*
chemical_list: D004950:Esterases; D000135:Acid Phosphatase; D007931:Leucyl Aminopeptidase