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dopamine

 - 5 dictionary results

do⋅pa⋅mine

[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.
Compare levodopa.


Origin:
1955–60; see dopa, amine
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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do·pa·mine   (dō'pə-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.

[dop(a) + amine.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: do·pa·mine
Pronunciation: 'dO-p&-"mEn
Function: noun
: a monoamine C8H11NO2 that is adecarboxylated form of dopa and occurs especially as a neurotransmitter in the brain and as an intermediate in the biosynthesis of epinephrine —see INTROPIN
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

dopamine do·pa·mine (dō'pə-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. Also called 3-hydroxytyramine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Science Dictionary
dopamine   (dō'pə-mēn')  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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