Definition: An endogenous opioid ligand that acts as an agonist at opiate receptors. Extremely potent, widely distributed neuropeptide that has 17 amino acid residues and contains leu5-enkephalin as its NH2-terminal sequence.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.