《英文msh词典》1,25 Dihydroxycholecalciferol
[入口词] 1,25 Dihydroxycholecalciferol
[主题词] Calcitriol
[药动学] Calcium Channel Agonists
[英文释义] The physiologically active form of vitamin D. It is formed primarily in the kidney by enzymatic hydroxylation of 25-hydroxycholecalciferol (CALCIFEDIOL). Its production is stimulated by low blood calcium levels and parathyroid hormone. Calcitriol increases intestinal absorption of calcium and phosphorus,and in concert with parathyroid hormone increases bone resorption.