The parathyroid glands are small, pea-sized structures located in the neck, usually behind the thyroid gland. There are typically four parathyroid glands, but some people may have more or fewer. These tiny glands play a vital role in maintaining calcium balance in the body, which is essential for numerous bodily functions, including muscle function, nerve function, and bone health.The Role of Parathyroid Hormone in Maintaining Calcium BalanceThe parathyroid glands produce a hormone called parathyroid hormone (PTH), which helps regulate the level of calcium in the blood. PTH accomplishes this by stimulating the release of calcium from bone tissue, increasing the…