title: Regulation of vitamin D metabolism.
mesh_terms: D015090:25-Hydroxyvitamin D3 1-alpha-Hydroxylase / Q000378:metabolism; D000818:Animals; D002118:Calcium / Q000097:blood; D002762:Cholecalciferol / Q000096:biosynthesis / Q000097:blood; D006728:Hormones / Q000378:metabolism; D007668:Kidney / Q000201:enzymology; D008099:Liver / Q000201:enzymology; D051381:Rats; D013250:Steroid Hydroxylases / Q000378:metabolism; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D006728:Hormones; D014807:Vitamin D; D002762:Cholecalciferol; D013250:Steroid Hydroxylases; D015090:25-Hydroxyvitamin D3 1-alpha-Hydroxylase; D002118:Calcium