Calcitonin, the forgotten hormone: does it deserve to be forgotten?
This 2015 review examines calcitonin, a 32-amino acid hormone secreted by thyroid C-cells, focusing on its physiological role and clinical relevance. Calcitonin is stimulated by elevated serum calcium and gastrointestinal hormones like gastrin, contributing to the prevention of hypercalcemia. It also stimulates renal production of 1,25-dihydroxyvitamin D at a site