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.
aÂ·posÂ·tle. n. 1. a. Apostle One of a group made up especially of the 12 disciples chosen by Jesus to preach the gospel. b. A missionary of the early Christian Church. c. A leader of the first Christian mission to a country or region. 2.Â·posÂ·tle. n. 1. a. Apostle One of a group made up especially of the 12 disciples chosen by Jesus to preach the gospel. b. A missionary of the early Christian Church. c. A leader of the first Christian mission to a country or region. 2.