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a compound produced by oxidation of tyrosine by tyrosinase; it is the precursor of dopamine and an intermediate product in the biosynthesis of norepinephrine, epinephrine, and melanin. The naturally occurring form is l-dopa (see levodopa), and is used to treat parkinson's disease and other forms of parkinsonism.
The biologically active form of dopa; an antiparkinsonian agent that is converted to dopamine.
An isomer of dopa that is converted in the brain to dopamine and is used in synthetic form to treat Parkinson's disease. Also called levodopa.
Abbreviation for levodopa.
A substance used in the treatment of Parkinson's disease. Levodopa can cross the blood-brain barrier that protects the brain. Once in the brain, it is converted to dopamine and thus can replace the dopamine lost in Parkinson's disease.
Mentioned in: Movement Disorders
the pharmaceutical name for dopa.