May 02, 2013
Our parathyroid glands are four tiny glands that lie in our neck, just to the sides of our thyroid gland. When normal, they are the size of a grain of rice or a small flat bean.
These glands control calcium balance in our bodies. They do this by producing a hormone named parathyroid hormone (PTH). PTH acts on our bones, kidneys, and gut to keep the right amount of calcium in the right places.
When one or more of these glands become abnormal, they produce too much of this hormone (PTH). This can cause our bones to...