(n) 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
(n) the levorotatory form of dopa (trade names Bendopa and Brocadopa and Larodopa); as a drug it is used to treat Parkinson's disease, Syn.Brocadopa, levodopa, Bendopa, Larodopa
n. a foreign substance added to a material to alter its properties; -- a process used. e.g., in making semiconductors from pure silicon in the manufacture of semiconductor chips and integrated circuits. [ PJC ]
n. [ Endo- + parasite. ] (Zoöl.) Any parasite which lives in the internal organs of an animal, as the tapeworms, Trichina, etc.; -- opposed to ectoparasite. See Entozoön. -- En`do*par`a*sit"ic a. [1913 Webster]
a. [ Levo- + DOPA, dihydroxyphenylalanine. ] (Chem. & Biochem.) A substance used as a therapy for Parkinson's Disease; the L form of Dopa; L-dihydroxyphenylalanine; L-hydroxytyrosine (C9H11NO4); also called L-dopa. In the body it is converted by the enzyme dopa-decarboxylase into dopamine, the form in which it is active in the brain, affecting neural impulse transmission. [ PJC ]
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