PTH controls calcium and phosphorus levels in the blood. PTH is made by the parathyroid glands, which are four pea-sized glands that lie behind the thyroid gland. If the blood calcium level is too low, the parathyroid glands release more PTH.
Skin cancer is a cancer of the cells in the outermost layer of skin, called the epidermis. The epidermis itself has three layers: an upper and middle layer made up of squamous cells, and a bottom layer made up of melanocytes and basal cells.
Skin Cancer is a non-infectious disease and is caused by an environmental factor. Skin Cancer is developed when the human body receives too much of the sun's ultraviolet radiation.This causes problems and damages the cells in the layer of the epidermis which is the layer outside of the skin.kin Cancer is a non-infectious disease and is caused by an environmental factor. Skin Cancer is developed when the human body receives too much of the sun's ultraviolet radiation.