Dysphagia

, Volume 9, Issue 4, pp 229–232 | Cite as

An update on the physiology of the components of the upper esophageal sphincter

  • Ivan M. Lang
  • Reza Shaker
Article

Abstract

The upper esophageal sphincter is defined as the components of the pharyngoesophageal region which contribute to the opening and closing of the pharyngo-esophageal junction during various physiologic states.

Key words

Upper esophageal sphincter Cricopharyngeus Thyropharyngeus Genlohyoideus Thyrohyoideus Deglutition Deglutition disorders 

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Copyright information

© Springer-Verlag New York Inc. 1994

Authors and Affiliations

  • Ivan M. Lang
    • 1
    • 2
    • 3
  • Reza Shaker
    • 1
    • 2
    • 3
  1. 1.MCW Dysphagia InstituteThe Medical College of WisconsinMilwaukeeUSA
  2. 2.the Department of MedicineThe Medical College of WisconsinMilwaukeeUSA
  3. 3.VA Medical CenterMilwaukeeUSA

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