As you may have noticed, above you will find words for "An endogenous, C-terminally amidated, opioid octapeptide, produced from proteolytic cleavage of proenkephalin A and widely distributed throughout the mammalian brain.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.