title: The regulation of vitamin D metabolism.
mesh_terms: D015090:25-Hydroxyvitamin D3 1-alpha-Hydroxylase / Q000378:metabolism; D000818:Animals; D002118:Calcium / Q000502:physiology; D002645:Chickens; D002762:Cholecalciferol / Q000378:metabolism*; D004100:Dihydroxycholecalciferols / Q000096:biosynthesis; D005246:Feedback; D006887:Hydroxycholecalciferols / Q000096:biosynthesis; D007672:Kidney Cortex / Q000201:enzymology; D010281:Parathyroid Hormone / Q000502:physiology
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D010281:Parathyroid Hormone; D002762:Cholecalciferol; D015090:25-Hydroxyvitamin D3 1-alpha-Hydroxylase; D002118:Calcium