Parathyroid hormone and 1.25 vitamin D3 exert opposite effects on bone.
D000818:Animals; D001846:Bone Development; D001862:Bone Resorption; D002117:Calcitriol / Q000172:deficiency / Q000502:physiology*; D002762:Cholecalciferol / Q000172:deficiency / Q000502:physiology*; D004285:Dogs; D010281:Parathyroid Hormone / Q000172:deficiency / Q000502:physiology*; D014808:Vitamin D Deficiency / Q000378:metabolism
D010281:Parathyroid Hormone; D002762:Cholecalciferol; D002117:Calcitriol