vitamin D3 alfacalcidol (1S,3R,5Z,7E)-9,10-secocholesta-5,7,10-triene-1,3-diol 1-Hydroxycholecalciferol 1alpha-hydroxy-vitamin D3 1alpha-hydroxycholecalciferol 1alpha-hydroxyvitamin D3 2024-12-19T16:43:49Z CID:5282181 MESH:C008088 This is any condition in which the main influencing factor is alfacalcidol, a member of the class of D3 vitamins that is calciol in which the hydrogen at the 1alpha position is replaced by a hydroxy group. It is an active metabolite of cholecalciferol, which performs important functions in regulation of the calcium balance and the bone metabolism. XCO:0001503 alphacalcidol experimental_condition_ontology slaulederkind