different between endorphin vs dynorphin

English

Etymology

Borrowed from French endorphine, from endo(gène) (“endogenous, produced within”) and morphine.

Pronunciation

• (UK) IPA^(key): /?n?d??f?n/
• (US) IPA^(key): /?n?d?(?)f?n/
• Rhymes: -??(?)f?n

Noun

endorphin (plural endorphins)

1. (biochemistry) Any of a group of peptide hormones found in the brain that act as neurotransmitters and have properties similar to morphine.
   • 2019, Curt L. Lox, Kathleen A. Martin Ginis, Heather L. Gainforth, Steven J. Petruzzello, The Psychology of Exercise: Integrating Theory and Practice, Routledge (?ISBN)

     The explanation for the depression-reducing effects of exercise that clearly has been the most popular with the media is the endorphin hypothesis (see Hoffmann, 1997), which has also been discussed as a possible explanation in nearly every exercise-depression literature review.

Derived terms

• endorphinergic
• neoendorphin

Translations

Further reading

• endorphin on Wikipedia.Wikipedia

English

Noun

dynorphin (plural dynorphins)

1. (biochemistry) Any of a class of opioid peptides that arise from the precursor protein prodynorphin