The reasons for the demise of the Minoan civilization continue to be debated. The rise of the Mycenaean civilization in the mid-2nd millennium BC on the Greek mainland and the evidence of their cultural influence on Minoan art and trade make them the most likely cause.
The hormone produced by the para follicular cells of the thyroid gland is calcitonin (CT). CT can decrease the level of calcium in the blood by.
Parathyroid hormone is secreted by the parathyroid glands and is the most important regulator of calcium levels in the blood and within the bones. Alternative names for parathyroid hormone PTH; parathormone; parathyrin. Bones-Parathyroid hormone stimulates the release of calcium from large calcium stores in the bones into the bloodstream. 2  This increases bone destruction and decreases the formation of new bone.