The gastroesophageal vestibule, its normal function and its role in cardiospasm and gastroesophageal reflux.
D004931:Esophageal Achalasia / Q000502:physiology*; D004947:Esophagus / Q000502:physiology*; D005764:Gastroesophageal Reflux; D006801:Humans; D013270:Stomach / Q000502:physiology*
CARDIOSPASM/physiology; ESOPHAGUS/physiology; STOMACH/physiology