dopamine[dō′pə mēn′, -min]
an amine, CHNO, that is an intermediate biochemical product in the synthesis of norepinephrine, epinephrine, and melanin, and is a neurotransmitter
Origin of dopamined(ihydr)o(xy)p(henyl) + amine
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.
Origin of dopaminedop(a) + amine.
(countable and uncountable, plural dopamines)