Definition(s)
- One of the catecholamine neurotransmitters in the brain; it is derived from tyrosine and is the precursor to norepinephrine and epinephrine; dopamine is a major transmitter in the extrapyramidal system of the brain, and important in regulating movement; dopamine receptors mediate its action.
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Definition from: CRISP Thesaurus via Unified Medical Language System at the National Library of Medicine
See also Understanding Medical Terminology.