Parathyroid hormone is secreted from the four parathyroid glands, which are small glands in the neck, located behind the thyroid gland. Parathyroid hormone regulates calcium levels in the blood, largely by increasing the levels when they are too low. It does this through its actions on the kidneys, bones and intestine:
De novo literally means something akin to from the beginning or anew. Man at Doctor's Visit. Prostate Cancer. The Latin expression de novo literally means something akin to from the beginning or anew. When used in reference to prostate cancer (or any other cancer), it refers to the first occurrence of cancer in the body.
Basal cell carcinoma is the most common type of skin cancer. It usually occurs on areas of the skin that have been in the sun, most often the nose. Often this cancer appears as a raised bump that looks smooth and pearly. Skin cancer is a disease in which malignant (cancer) cells form in the tissues of the skin. 2  There are different types of cancer that start in the skin. 3  Skin color and being exposed to sunlight can increase the risk of nonmelanoma skin cancer and actinic keratosis.