Endogenous opioid peptide includes:
all the above Endorphins, enkephalins, and dynorphins are all endogenous compounds. These are having morphine like actions. These opiod peptides modulates pain perception, mood, hedonic, and motor behaviour, emesis, pitiutary hormone release and git motility. Ref KD Tripathi 8th ed
Encephalin
Endorphins
Dynorphins
All of the above
Central Nervous system