Parathyroid hormone (PTH) is released by the parathyroid glands. The four tiny parathyroid glands are located in the neck, near or attached to the back side of the thyroid gland. PTH controls calcium, phosphorus, and vitamin D levels in the blood. It is important for regulating bone growth.
What is skin cancer? Skin cancer is a broad term that refers to any type of cancer that begins in the cells of the skin. These cancers usually develop in the top layer of skin, also known as the epidermis. The most common types of skin cancer are basal cell carcinoma, squamous cell carcinoma and melanoma. In addition, there are several types of skin cancers that occur much less frequently, including kaposi sarcoma, merkel cell carcinoma, cutaneous (skin) lymphoma, skin adnexal tumors and various types of sarcomas.
Skin cancer is a disease in which cancerous cells develop in your skinâs tissues. Skin cancer is the most common type of cancer in America today. It affects 5 million Americans each year. Basal cell cancer and squamous cell cancer are the two most common types of skin cancer. Melanoma is more rare, but itâs also much more dangerous. These cancers typically develop on areas most exposed to direct sunlight, including: head.