Specializing in Canine and Feline Neurology and Neurosurgery for over 35 years


A hormone synthesized in the adrenal medulla and released into the bloodstream during fight-or-flight response: stimulates muscle contraction of arteries and capillaries, increases blood pressure, stimulates the heart muscle, accelerates the heart rate, and increases cardiac output; also called adrenaline.

Related Words
adrenal gland  ;  norepinephrine