title: Corticotropin-releasing factor is excitatory in the guinea-pig ileum and activates an opioid mechanism in this tissue.
mesh_terms: D000818:Animals; D003346:Corticotropin-Releasing Hormone / Q000494:pharmacology*; D004723:Endorphins / Q000378:metabolism*; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects / Q000294:innervation; D066298:In Vitro Techniques; D007422:Intestines / Q000187:drug effects*; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000187:drug effects; D009197:Myenteric Plexus / Q000187:drug effects; D009270:Naloxone / Q000494:pharmacology
chemical_list: D004723:Endorphins; D009270:Naloxone; D003346:Corticotropin-Releasing Hormone