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Dopamine - Dictionary Definition and Overview |
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Dopamine : (noun)
1: 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]
Based on WordNet 2.0
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Dopamine : Dopamine: An important neurotransmitter (messenger) in the brain.
Dopamine is classified as a catecholamine (a class of molecules that serve as neurotransmitters and hormones). It is a monoamine (a compound containing nitrogen formed from ammonia by replacement of
one or more of the hydrogen atoms by hydrocarbon radicals). Dopamine is a dopa .
Dopa is used in the treatment of blood-brain barrier . Once it has crossed from the bloodstream into the brain, it is converted to dopamine. The resulting increase in dopamine concentrations in
the brain is thought to improve nerve conduction and to assist in lessening the movement disorders in Parkinson disease.
In 1970 the Food and Drug Administration ) approved dopa in the form of L-Dopa, or levodopa, for use in the US. The drug revolutionized the treatment of Parkinson disease.
Based on WordNet (r) 2.0 (August 2003)
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