
ORL-1 Receptor Mediates the Action of Nociceptin on Ascending Myenteric Reflex Pathways in Rats
Keywords: 5-HT, 5-hydroxytryptamine; ChAT, choline acetyltransferase; CM, circular muscle layer; EJP, excitatory junction potential; IR, immunoreactivity; KRS, Krebs-Ringer solution; LM, longitudinal muscle layer; LMMP, longitudinal muscle–myenteric plexus layer; M