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.
Subscribe to our Question of the Week: Question: Is christening in the Bible?. Answer: Christening is defined as âa Christian sacrament signifying spiritual cleansing and rebirth.â The christening ceremony, usually done to small children and babies, and most common in Catholic and Episcopal churches, is more than simply infant baptism.