Put simply, volume refers to the number of contracts traded. For any trade to occur, the market needs to produce a buyer and a seller. A transaction occurs when buyers and sellers meet and is referred to as the market price.
This hormone is secreted from cells of the parathyroid glands and finds its major target cells in bone and kidney. Another hormone, parathyroid hormone-related protein, binds to the same receptor as parathyroid hormone and has major effects on development.
Normal Parathyroid Gland Function. How Parathyroid Glands Work. Parathyroid glands control the calcium in our blood and bones. Learn how parathyroid glands work by making parathyroid hormone to control blood and bone calcium.This page of Parathyroid.com discusses the normal function of parathyroid glands, how parathyroid glands monitor and control blood calcium and what it means to have high blood calcium.he four parathyroid glands make more or less parathyroid hormone (PTH) in response to the level of calcium in the blood. When the calcium in our blood goes too low, the parathyroid glands make more PTH. Increased PTH causes the body to put more calcium into the blood.