Meaning of dopamine


Pronunciation: (dō'pu-mēn"), [key]
— n.
  1. a catecholamine neurotransmitter in the central nervous system, retina, and sympathetic ganglia, acting within the brain to help regulate movement and emotion: its depletion may cause Parkinson's disease. Cf.
  2. a dopamine preparation used to increase the force of contraction of the heart in the treatment of shock. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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