Inhibition by met-enkephalin of peristaltic activity in the guinea pig ileum, and its reversal by naloxone.
D000818:Animals; D003864:Depression, Chemical; D005769:Gastrointestinal Motility / Q000187:drug effects*; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects* / Q000502:physiology; D066298:In Vitro Techniques; D008715:Methionine; D009270:Naloxone / Q000494:pharmacology*; D009842:Oligopeptides / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010528:Peristalsis / Q000187:drug effects*; D013997:Time Factors
D009842:Oligopeptides; D009270:Naloxone; D008715:Methionine