Science / Biology / Norepinephrine: A hormone produced in the adrenal medulla and secreted under stress; contributes to the fight or fiight response.
Health / Vitamins / Noradrenaline: Also known as norepinephrine. A chemical involved in the transmission of nerve impulses. MORE
Science / Biology / Medulla: 1. A term referring to the central portion of certain organs; e.g., the medulla oblongata of the brain and the adrenal medulla, which synthesizes epinephrine and norepinephrine. 2. In more common usag MORE