dopamine

[ doh-puh-meen ]
/ ˈdoʊ pəˌmin /

noun

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

Origin of dopamine

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

Words nearby dopamine

Example sentences from the Web for dopamine

British Dictionary definitions for dopamine

dopamine
/ (ˈdɒpəmɪn) /

noun

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

Word Origin for dopamine

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

Medical definitions for dopamine

dopamine
[ dōpə-mēn′ ]

n.

A monoamine neurotransmitter formed in the brain by the decarboxylation of dopa and essential to the normal functioning of the central nervous system. A reduction in its concentration within the brain is associated with Parkinson's disease. 3-hydroxytyramine

Scientific definitions for dopamine

dopamine
[ dōpə-mēn′ ]

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.