Use dihydroergotamine exactly as directed. Do not use more or less of it or use it more often than prescribed by your doctor. Dihydroergotamine can damage the heart and other organs if it is used too often. Dihydroergotamine should be used only to treat a migraine that is in progress.
The posterior pituitary is often termed the neurohypophysis because the hormones of this part of the pituitary are released directly from the axonal endings of their source neurons into the circulation (Figure 2.1).
The following hormones are stored in the posterior (back part) of the pituitary gland: 1  Antidiuretic hormone (ADH) - ADH, also called vasopressin, regulates water balance in the body. 2  It conserves body water by reducing the amount of water lost in urine.