title: Demonstration of a specific dynorphin receptor in guinea pig ileum myenteric plexus.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D004399:Dynorphins; D004723:Endorphins / Q000378:metabolism; D004743:Enkephalin, Leucine; D004745:Enkephalins / Q000378:metabolism / Q000494:pharmacology; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects / Q000294:innervation*; D007700:Kinetics; D009119:Muscle Contraction / Q000187:drug effects; D009197:Myenteric Plexus / Q000378:metabolism*; D009271:Naltrexone / Q000031:analogs & derivatives / Q000494:pharmacology; D009292:Narcotic Antagonists / Q000494:pharmacology; D009294:Narcotics / Q000378:metabolism*; D009588:Nitrogen Mustard Compounds / Q000494:pharmacology; D010446:Peptide Fragments / Q000378:metabolism; D011957:Receptors, Opioid / Q000378:metabolism*
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009292:Narcotic Antagonists; D009294:Narcotics; D009588:Nitrogen Mustard Compounds; D010446:Peptide Fragments; D011957:Receptors, Opioid; C030738:dynorphin receptor; D004743:Enkephalin, Leucine; D009271:Naltrexone; C017120:chlornaltrexamine; C026843:dynorphin (1-13); D004399:Dynorphins