Specializing in Canine and Feline Neurology and Neurosurgery for Over 30 Years

norepinephrine

A neurohormone (released by adrenergic nerves) and also a neurotransmitter (of adrenergic neurons); it is synthesized from dopamine in the adrenal medulla and is a precursor to epinephrine; part of fight-or-flight response: increases heart rate, triggers the release of glucose, and increases blood flow to skeletal muscle.

Related Words

adrenergic ; dopamine ; epinephrine ; nerve ; neuron ; neurotransmitter