Ultrastructural study on the plical epithelium of the bursa of Fabricius in chick embryos: influence of partial decerebration and hypophyseal allografts

anatomia animal anatomie animale animal morphology aves de corral bolsa de fabricio bourse de fabricius brain bursa fabricii cell structure cerebro chicks desarrollo embrionario embryonic development epitelio epithelium estructura celular hypophyse pituitary gland pollito poultry poussin structure cellulaire ultraestructura ultrastructure volaille