Share this entry

Share this page

octopamine

Line breaks: oc¦topa|mine
Pronunciation: /ɒkˈtəʊpəmiːn
 
/

Definition of octopamine in English:

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.
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.

Origin

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

Definition of octopamine in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day cumbersome
Pronunciation: ˈkʌmbəs(ə)m
adjective
large or heavy and therefore difficult to carry…