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• n  excessive secretion of parathyroid hormone resulting in abnormally high levels of calcium in the blood; can affect many systems of the body (especially causing bone resorption and osteoporosis)

• hypoparathyroidism

News & Articles

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• Reversal cells may tip the balance between bone formation and resorption in health and disease
  By analyzing biopsy specimens from patients with postmenopausal osteoporosis and primary hyperparathyroidism, investigators have begun to pay increasing attention to "reversal cells," which prepare for bone formation during bone remodeling. The hope is that these reversal cells will become critical therapeutic targets that may someday prevent osteoporosis and other bone disorders.
  June 6, 2013 - Science Daily