thyroid and parathyroid glands

activity anatomical anatomy body bone calcium colorful disease endocrine endocrinology glands healthcare hormone human hypercalcaemia hyperparathyroidism hypocalcaemia hypoparathyroidism illness illustration location medical medicine osteoclast parathormone parathyrin parathyroid parathyroidectomy pth remodeling removal research secreted serum stress structure surgery thyroid thyroidectomy treatment