title: Physiologic specialization at esophagogastric junction in three species.
mesh_terms: D000818:Animals; D002415:Cats / Q000502:physiology*; D004558:Electric Stimulation; D004943:Esophagogastric Junction / Q000502:physiology*; D004947:Esophagus / Q000502:physiology; D066298:In Vitro Techniques; D008251:Macaca / Q000502:physiology*; D009119:Muscle Contraction / Q000187:drug effects; D009130:Muscle, Smooth / Q000502:physiology; D009433:Neural Inhibition; D009893:Opossums / Q000502:physiology*; D010828:Physiology, Comparative; D013270:Stomach / Q000502:physiology; D013779:Tetrodotoxin / Q000494:pharmacology
chemical_list: D013779:Tetrodotoxin