Definition of octopamine in English:


Line breaks: oc¦topa|mine
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
    More 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.

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