Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A monoamine neurotransmitter formed in the brain by the decarboxylation of dopa and essential to the normal functioning of the central nervous system. A reduction in its concentration within the brain is associated with Parkinson's disease.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A neurotransmitter associated with movement, attention, learning, and the brain’s pleasure and reward system.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a monoamine neurotransmitter found in the brain and essential for the normal functioning of the central nervous system; as a drug (trade names Dopastat and Intropin) it is used to treat shock and hypotension

Etymologies

dop(a) + amine.
(American Heritage® Dictionary of the English Language, Fourth Edition)

Examples

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