title: Oxygen dependence of contractions in esophageal and gastric pyloric and ileocecal muscle of opossums.
mesh_terms: D000818:Animals; D002217:Carbachol / Q000494:pharmacology; D004068:Digestive System Physiological Phenomena; D004943:Esophagogastric Junction / Q000502:physiology; D004947:Esophagus / Q000502:physiology; D005260:Female; D005748:Gastric Fundus / Q000502:physiology; D006632:Histamine / Q000494:pharmacology; D007080:Ileocecal Valve / Q000502:physiology; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000502:physiology*; D009893:Opossums / Q000502:physiology*; D010100:Oxygen / Q000494:pharmacology*; D011708:Pylorus / Q000502:physiology; D013373:Substance P / Q000494:pharmacology
chemical_list: D013373:Substance P; D006632:Histamine; D002217:Carbachol; D010100:Oxygen