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Related to dopamine agonist: Dopamine antagonist
drug that exerts its pharmacologic effects by directly activating dopamine agonist receptors.
A drug that stimulates dopamine receptors in the brain. Some of these agents, such as ropinirole and pramipexole, are used to treat Parkinson disease.
See also: agonist
a compound, hydroxytyramine, produced by the decarboxylation of dopa; an intermediate product in the synthesis of norepinephrine. It is a neurotransmitter in the central nervous system; administered intravenously to correct hemodynamic imbalance in shock syndrome.
enzyme catalyzing the synthesis of norepinephrine from dopamine. A copper-containing mono-oxygenase requiring vitamin C (ascorbic acid).