title: Do vitamin D or its metabolites directly affect the release of PTH?
mesh_terms: D000818:Animals; D002417:Cattle; D004100:Dihydroxycholecalciferols / Q000494:pharmacology*; D006887:Hydroxycholecalciferols / Q000494:pharmacology*; D066298:In Vitro Techniques; D007700:Kinetics; D010280:Parathyroid Glands / Q000187:drug effects / Q000378:metabolism*; D010281:Parathyroid Hormone / Q000378:metabolism*; D014807:Vitamin D / Q000494:pharmacology*
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D010281:Parathyroid Hormone; D014807:Vitamin D