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Concept information

Preferred term

Esophageal Sphincter, Upper  

Type

  • Topical Descriptor

Entry terms

  • Upper Esophageal Sphincter

Note

  • diseases: coordinate IM with ESOPHAGEAL DISEASES (IM) or specific esophageal disease (IM); neoplasms: coordinate IM with ESOPHAGEAL NEOPLASMS (IM)

Scope note

  • The structure at the pharyngoesophageal junction consisting chiefly of the cricopharyngeus muscle. It normally occludes the lumen of the ESOPHAGUS, except during SWALLOWING.

History note

  • 2005; for CRICOPHARYNGEUS and INFERIOR CONSTRICTOR OF PHARYX use PHARYNGEAL MUSCLES 2005-2019

In other languages

URI

http://www.yso.fi/onto/mesh/D049631

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