Definition of octopamine in English:

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Pronunciation: /ɒkˈtəʊpəmiːn/


[mass noun] Biochemistry
A compound which can accumulate in nerves as a result of the use of monoamine oxidase inhibitors and cause a rise in blood pressure.
  • An amine related to noradrenaline; chemical formula: HOC6H4CHOHCH2NH2.
Example sentences
  • Both octopamine and serotonin inhibit bursting activity, suggesting that neurosecretion is controlled by these neuromodulators.
  • The bioluminescent response to octopamine was inhibited in the presence of the NO scavenger carboxy-PTIO.
  • But perfusion of the exposed lantern tissue of the P. versicolor male with octopamine does not induce scintillation, only a glow.


1940s: from octopus (from which it was first extracted) + amine.

For editors and proofreaders

Line breaks: oc¦topa|mine

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