
Octopamine (β,4-dihydroxyphenethylamine) is an endogenous biogenic amine that is closely related to norepinephrine, and has effects on the adrenergic and dopaminergic systems. It is also found naturally in numerous plants, including bitter orange. Biosynthesis of the 1=D-(–)-enantiomer of octopamine is by β-hydroxylation of tyramine via the en...
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<hormone> A biogenic amine found in both vertebrates and invertebrates (identified first in the salivary gland of Octopus). Octopamine can have properties both of a hormone and a neurotransmitter and acts as an adrenergic agonist. ... (18 Nov 1997) ...
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http://www.encyclo.co.uk/local/20973

A biogenic amine found in both vertebrates and invertebrates (identified first in the salivary gland of Octopus ). Octopamine can have properties both of a hormone and a neurotransmitter, and acts as an adrenergic agonist.
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Type: Term Pronunciation: ok-tō′pă-mēn Definitions: 1. A sympathomimetic amine; a false neurotransmitter produced by noradrenergic neurons in the presence of monoamine oxidase inhibitors. Synonyms: norsympatol, norsynephrine
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