Source:http://linkedlifedata.com/resource/umls/id/C0006674
MSH: 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.,CSP: most biologically active metabolite of cholecalciferol; acts via a DNA-binding steroid receptor which induces transcription of calcium transport factors in gut; USP drug (calcitriol) is given as an antihypocalcemic.,NCI: The active form of vitamin D. Calcitriol is formed in the kidneys or made in the laboratory. It is used as a drug to increase calcium levels in the body in order to treat skeletal and tissue-related calcium deficiencies caused by kidney or thyroid disorders.,PDQ: A synthetic physiologically-active analog of vitamin D, specifically the vitamin D3 form. Calcitriol regulates calcium in vivo by promoting absorption in th