title: Incidence of a fifth thymic and parathyroid metamere and of various structures in the ultimobranchial body of the one-day-old chick.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D002642:Chick Embryo / Q000187:drug effects / Q000378:metabolism; D002645:Chickens / Q000033:anatomy & histology*; D004702:Endocrine Glands / Q000033:anatomy & histology*; D010280:Parathyroid Glands / Q000033:anatomy & histology*; D013961:Thyroid Gland / Q000033:anatomy & histology*; D014498:Uracil / Q000031:analogs & derivatives / Q000494:pharmacology
chemical_list: D014498:Uracil; D002118:Calcium