title: Direct observations of the canine sphincter of Oddi.
mesh_terms: D014670:Ampulla of Vater / Q000187:drug effects* / Q000502:physiology*; D000680:Amyl Nitrite / Q000494:pharmacology; D000818:Animals; D004285:Dogs; D004298:Dopamine / Q000494:pharmacology; D000431:Ethanol / Q000494:pharmacology; D005223:Fats / Q000494:pharmacology; D006851:Hydrochloric Acid / Q000494:pharmacology; D007545:Isoproterenol / Q000494:pharmacology; D008278:Magnesium Sulfate / Q000494:pharmacology; D008614:Meperidine / Q000494:pharmacology; D009020:Morphine / Q000494:pharmacology; D009125:Muscle Relaxants, Central / Q000494:pharmacology*; D005996:Nitroglycerin / Q000494:pharmacology; D013035:Spasm / Q000139:chemically induced; D013217:Starvation
chemical_list: D005223:Fats; D009125:Muscle Relaxants, Central; D000431:Ethanol; D008278:Magnesium Sulfate; D009020:Morphine; D000680:Amyl Nitrite; D008614:Meperidine; D005996:Nitroglycerin; D007545:Isoproterenol; D006851:Hydrochloric Acid; D004298:Dopamine