volume definition, meaning, what is volume: the amount of space that is contained within an object or solid shape: . Learn more.
However, parathyroid hormone and calcitonin work together to control calcium levels in the blood. The blood calcium level is the main stimulus for the release of these hormones, as the release of these hormones is not controlled by the pituitary.
C. calcitonin (kalÂ´Â´su1-toÂ´nin) Also called thyrocalcitonin. A polypeptide hormone produced by the parafollicular cells of the thyroid and secreted in response to hypercalcemia. It acts to lower blood calcium and phosphate concentrations and may serve as an antagonist of parathyroid hormones.