lower esophageal
【待翻译】sphincter (LES)
释义:Muscle tissue at the distal end of the esophagus (gastroesophageal junction) that prevents stomach contents from refluxing into the esophagus; also called the cardiac sphincter
lower esophageal
【待翻译】释义:Muscle tissue at the distal end of the esophagus (gastroesophageal junction) that prevents stomach contents from refluxing into the esophagus; also called the cardiac sphincter