How is calcitonin controlled?

The beard of both calcitonin and parathyroid hormone is bent by the akin of calcium in the blood. When levels of calcium in the claret increase, calcitonin is buried in college quantities. When levels of calcium in the claret decrease, this causes the bulk of calcitonin buried to abatement too.
The beard of calcitonin is aswell inhibited by the hormone somatostatin which is aswell appear by the C-cells in the thyroid gland.