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

Prolactin

Formation of prolactin: The hormone prolactin of the pituitary gland is also called lactotropin and is a peptide hormone. Regulation Regulation of prolactin: The PRH (prolactin releasing hormone) and the TRH (thyrooliberin) of the hypothalamus stimulate the release of prolactin from the anterior pituitary gland, which has a day-night rhythm. Oxytocin and several other substances … Prolactin