dopamine

[ doh-puh-meen ]

noun
  1. Biochemistry. a catecholamine neurotransmitter in the central nervous system, retina, and sympathetic ganglia, acting within the brain to help regulate movement and emotion: its depletion may cause Parkinson's disease.: Compare dopa.

  2. Pharmacology. a dopamine preparation used to increase the force of contraction of the heart in the treatment of shock.

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Origin of dopamine

1
First recorded in 1955–60; see origin at dopa, amine

Words Nearby dopamine

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How to use dopamine in a sentence

British Dictionary definitions for dopamine

dopamine

/ (ˈdɒpəmɪn) /


noun
  1. a chemical found in the brain that acts as a neurotransmitter and is an intermediate compound in the synthesis of noradrenaline. Formula: (HO) 2 C 6 H 3 (CH 2) 2 NH 2

Origin of dopamine

1
from d (ihydr) o (xy) p (henylethyl) amine

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for dopamine

dopamine

[ pə-mēn′ ]


  1. A monoamine neurotransmitter that is formed during the synthesis of norepinephrine and is essential to the normal functioning of the central nervous system. A reduction of dopamine in the brain is associated with the development of Parkinson's disease. Chemical formula: C8H11NO2.

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