Norepinephrine: A catecholamine hormone that functions as a neurotransmitter in the sympathetic nervous system, producing alpha-adrenergic (vasoconstriction) and beta(1)-adrenergic stimulation (increase myocardial contractility, heart rate, automaticity, and AV conduction), and beta(2)-adrenergic activity (peripheral vasodilation).(NCI)
Source: Diseases Database
Norepinephrine: levarterenol is norepinephrine bitartrate, a drug given as a vasoconstrictor.
Source: CRISP
Norepinephrine: Precursor of epinephrine that is secreted by the adrenal medulla and is a widespread central and autonomic neurotransmitter. Norepinephrine is the principal transmitter of most postganglionic sympathetic fibers and of the diffuse projection system in the brain arising from the locus ceruleus. It is also found in plants and is used pharmacologically as a sympathomimetic.
Source: MeSH 2007
Source: Diseases Database
Source - MeSH 2007
Source - MeSH 2007
Source - MeSH 2007
Source - MeSH 2007
Source - CRISP
Source: CRISP
Source: CRISP
The following list attempts to classify Norepinephrine into categories where each line is subset of the next.
Source: Diseases Database
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