title: Bursal dissections and gill pouch hormones.
abstract: The terrestrial survival of birds and mammals depends on evolutionary chantes in cloacal bursae and gill pouches. Comparative dissections of these pouches provide insight into the coordinated functions of cervical endocrine organs, especially as they affect lymphoid tissue.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000196:embryology; D001934:Branchial Region / Q000276:immunology / Q000502:physiology*; D002060:Bursa of Fabricius / Q000196:embryology* / Q000276:immunology; D002116:Calcitonin / Q000502:physiology; D008168:Lung / Q000196:embryology; D008322:Mammals / Q000196:embryology; D008954:Models, Biological; D010280:Parathyroid Glands / Q000196:embryology; D010281:Parathyroid Hormone / Q000502:physiology; D013947:Thymosin; D013950:Thymus Gland / Q000196:embryology; D013961:Thyroid Gland / Q000196:embryology / Q000502:physiology; D014426:Turtles / Q000196:embryology
chemical_list: D010281:Parathyroid Hormone; D013947:Thymosin; D002116:Calcitonin