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.
In general usage, de novo is a Latin expression meaning from the beginning, afresh, anew, beginning again.. It may also refer to: De novo protein design, the creation of a protein sequence that is not based on existing, natural sequences. 2  De novo protein structure prediction, the prediction of a protein's 3D structure, based only on its sequence.