Physiology of the upper esophageal sphincter; [Physiologie des oberen Ösophagussphinkters]

被引:0
|
作者
Jungheim M. [1 ]
Miller S. [1 ]
Kühn D. [1 ]
Schwemmle C. [1 ]
Schneider J.P. [2 ]
Ochs M. [2 ]
Ptok M. [1 ]
机构
[1] Klinik und Poliklinik für Phoniatrie und Pädaudiologie, Medizinische Hochschule Hannover, 30625 Hannover
[2] Institut für Funktionelle und Angewandte Anatomie, Medizinische Hochschule Hannover, Hannover
关键词
Dysphagia; Larynx; Pharynx; Swallowing; Upper esophageal sphincter;
D O I
10.1007/s00106-014-2846-0
中图分类号
学科分类号
摘要
The upper esophageal sphincter (UES) forms a barrier between the pharynx and the esophagus. When opened, the UES allows the food bolus to pass into the esophagus, as well as permitting emesis and eructation. The basal sphincter tone constitutes a barrier function which serves to prevent reflux and passive aerophagia in the case of deep breathing. Basal sphincter tone is dependent on several influencing factors; during swallowing, sphincter opening and closure follow a complex multiphase pattern. This article presents an overview of the current understanding of UES physiology. © 2014 Springer-Verlag Berlin Heidelberg.
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页码:457 / 468
页数:11
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