👉 Parathyroid is a group of cells that secrete parathyroid hormone (PTH) into the blood. These cells are located in the anterior pituitary gland, which is the part of the hypothalamus where hormones like thyroid-stimulating hormone (TSH), calcitonin, and growth hormone (GH) are released. The primary function of parathyroid glands is to regulate calcium levels in the bloodstream by secreting PTH. When calcium levels become too low, parathy
