Alternative names for calcitonin CT; thyrocalcitonin. What is calcitonin? Calcitonin is a hormone that is produced in humans by the parafollicular cells (commonly known as C-cells) of the thyroid gland. Calcitonin is involved in helping to regulate levels of calcium and phosphate in the blood, opposing the action of parathyroid hormone. This means that it acts to reduce calcium levels in the blood.
Definition of sanctification. 1  1 : an act of sanctifying. 2  2a : the state of being sanctifiedb : the state of growing in divine grace as a result of Christian commitment after baptism or conversion.
Define nullification: the act of nullifying : the state of being nullified â nullification in a sentence the act of nullifying : the state of being nullifiedâ¦ See the full definition