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.
Where justification is a legal declaration that is instantaneous, sanctification is a process. Where justification comes from outside of us, from God, sanctification comes from God within us by the work of the Holy Spirit in accordance with the Bible. In other words, we contribute to sanctification through our efforts.y Matt Slick. Understanding the difference between justification and sanctification can be as important as understanding the difference between salvation and damnation.