lower esophageal sphincter 扩约肌 ; 食管下端括约 ; 另食管下端括约

Upper Esophageal Sphincter 扩约肌

inferior esophageal sphincter 食管下括约肌

Lower esophageal sphincter length 功能长度

upper esophageal sphincter pressure 食管上段括约肌压力

lower esophageal sphincter pressure 食管下端括约肌压

lower esophageal sphincter relaxation 食管下端括约肌松驰

hypotensive lower esophageal sphincter 低压性下食管括约肌

hypertensive lower esophageal sphincter 高压性下食管括约肌

upper border of esophageal sphincter 食管括约肌上缘