《英文msh词典》3,4 Dihydroxyphenethylamine
[入口词] 3,4 Dihydroxyphenethylamine
[主题词] Dopamine
[药动学] Cardiotonic Agents
[英文释义] 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. A family of receptors (RECEPTORS,DOPAMINE) mediate its action.