SEARCH Articles Figures Tables 0-Endorphin human 0-Endorphin model peptides 0-Endorphin porcine A-Endorphin Amino acid sequences human /3-endorphin And endorphins Beta-endorphins Endogenous peptide opioids role of endorphins Endomorphins 3-Endorphin Endopeptidases Endorphin Endoplasmic Endorphin Endorphin ligand Endorphins Endorphins Endorphins 3-endorphin, structure Endorphins action Endorphins and enkephalins Endorphins biological activity Endorphins discovery Endorphins neurotransmitters Endorphins pituitary Endorphins prohormone Endorphins prohormone precursors Endorphins receptors Endorphins stress Endorphins synthesis Endorphins, role J3-Endorphin JS-Endorphin Of endorphins Opioid system endorphins P-Endorphin P-endorphin release Peptide 3-endorphin Prohormones endorphins