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.
Noncancerous, Precancerous and Cancerous Tumors. Basal cell carcinoma: The most common type of skin cancer, which commonly presents as a sore that seems to get better and then recurs and may start to bleed. Basal cell carcinoma often occurs on the face and neck, where the skin is exposed to sunlight. These tumors are locally invasive and tend to burrow in but not metastasize (spread) to distant locations.