Calcitriol
Formation of calcitriol: The steroid-like hormone calcitriol is formed from the precursor 7-dehydrocholesterol, which in turn is formed from cholesterol. The hormone passes through several stages in the course of its synthesis: First the skin under the influence of UV light, then the liver and finally the kidney. Calciol (cholecalciferol) is formed in the skin, … Calcitriol