Give the name of the endocrine gland that produces calcitonin

Give the name of the endocrine gland that produces calcitonin and also mention the role played by this hormone.

Calcitonin (CT) or thyrocalcitonin hormone is produced by thyroid glands. It is hypocalcaemic and hypophosphatemic peptide hormone, which checks excess plasma $c{{a}^{2+}}$and phosphate by decrease mobilisation from bones.