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近几年来,由于微型应变换能器和微型吸附电极等先进仪器和技术的应用,人们对静息和吞咽运动中食管和食管下括约肌(LES)的纵、环行平滑肌的协调运动进行了深入研究,加深了对食管和LES吞咽运动过程和X线表现的认识。解剖食管肌层平滑肌约在距食管近端4cm处出现并逐渐增多,在10-13cm处以下,即下1/2—1/3全部为平滑肌。根据运动生理,食管分为:食管体部、食管上括约肌(UES)
In recent years, due to the application of advanced instruments and techniques such as miniature strain transducers and micro-adsorbed electrodes, the coordinated movement of the longitudinal and circular smooth muscles of the esophagus and the lower esophageal sphincter (LES) during resting and swallowing exercises has been studied in depth , Deepen the esophageal and LES swallowing movement process and X-ray findings. Anatomy of the esophageal muscle smooth muscle about 4cm away from the proximal esophageal appear and gradually increased at 10-13cm at the following, which under 1 / 2-1 / 3 all smooth muscle. According to exercise physiology, the esophagus is divided into: the esophagus body, upper esophageal sphincter (UES)