Definition of fatalism for English Language Learners : the belief that what will happen has already been decided and cannot be changed Learn More about fatalism
The receptors most relevant to the pharmacology of vasopressors are adrenoceptors. Adrenoceptors, sometimes referred to as adrenergic receptors, interact with norepinephrine, epinephrine, and chemically similar drugs (called adrenomimetic, adrenergic, or sympathomimetic agents).
Vasopressin is a man-made form of a hormone called anti-diuretic hormone that is normally secreted by the pituitary gland. In the body, vasopressin acts on the kidneys and blood vessels.Vasopressin helps prevent the loss of water from the body by reducing urine output and helping the kidneys reabsorb water in the body. Vasopressin also raises blood pressure by constricting (narrowing) blood vessels.n the body, vasopressin acts on the kidneys and blood vessels. Vasopressin helps prevent the loss of water from the body by reducing urine output and helping the kidneys reabsorb water in the body.