1) Calcitonin 
Synonym for calcitonin ... <protein> A polypeptide hormone produced by C cells of the thyroid that causes a reduction of calcium ions in the blood. ... (18 Nov 1997) ... 
(thi″ro-kal″sĭ-to´nin) calcitonin.
Type: Term Pronunciation: thī′rō-kal′si-tō′nin Synonyms: calcitonin
Thyrocalcitonin: A hormone, also called calcitonin, produced by the thyroid gland that lowers the levels of calcium and phosphate in the blood and promotes the formation of bone. Bone is in a constant state of remodeling whereby old bone is removed by cells called osteoclast and new bone is laid down by cells called osteoblasts. Thyrocalcitonin inh...