title: The development of the endocrine glands and bursa of Fabricius in Nigerian and White Leghorn cockerels.
mesh_terms: D000311:Adrenal Glands / Q000033:anatomy & histology / Q000254:growth & development*; D000367:Age Factors; D000818:Animals; D001835:Body Weight; D002060:Bursa of Fabricius / Q000033:anatomy & histology / Q000254:growth & development*; D002645:Chickens / Q000254:growth & development*; D007515:Islets of Langerhans / Q000033:anatomy & histology / Q000254:growth & development*; D008297:Male; D009929:Organ Size; D010902:Pituitary Gland / Q000033:anatomy & histology / Q000254:growth & development*; D013950:Thymus Gland / Q000033:anatomy & histology / Q000254:growth & development*; D013961:Thyroid Gland / Q000033:anatomy & histology / Q000254:growth & development*