16.Marie's doctor referred her to an endocrinologist, who, after running some tests, determined that the root of her problems was in her thyroid gland.
19.If calcium levels fall, the four parathyroid glands buried within the thyroid gland release parathyroid hormone which frees up both calcium and phosphate ions from the bones.
20.This can happen following a thyroid gland removal surgery when the parathyroids are accidentally taken out too or radiation treatment for cancer of the head or neck.