Calcium plays an important role in several body functions, including muscle contractions, enzyme function, and nerve conduction. Calcium is stored in the bones. Calcium levels in the blood are regulated by two hormones produced by the four parathyroid glands, glands located adjacent to the thyroid gland in the neck. These hormones include the following:
Disorders affecting calcium metabolism require clinical care by a physician or other healthcare professional. Listed in the directory below are some of the disorders that affect calcium metabolism, for which we have provided a brief overview.