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 • Syn: Dopastat, Intropin • Usage Domain: trade name (for: Intropin), trade name (for: Dopastat) • Hypernyms: monoamine neurotransmitter