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).
In humans the pituitary gland or hypophysis has two basic parts called the anterior and posterior pituitary. The anterior part of the pituitary, adenohypophysis, is regulated by the hypothalamus and by a negative feedback from target organs.n humans the pituitary gland or hypophysis has two basic parts called the anterior and posterior pituitary. The anterior part of the pituitary, adenohypophysis, is regulated by the hypothalamus and by a negative feedback from target organs.