octopamine

 
Pronunciation: /ɒkˈtəʊpəmiːn/

noun

[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

Origin:

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