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Esophageal Sphincter, Upper MeSH Descriptor Data 2025


MeSH Heading
Esophageal Sphincter, Upper
Tree Number(s)
A02.633.567.800.360
A03.556.875.500.360
A04.623.617.360
A14.724.617.360
Unique ID
D049631
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D049631
Annotation
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.
Entry Term(s)
Cricopharyngeus
Cricopharyngeus Muscle
Inferior Constrictor of Pharynx
Inferior Pharyngeal Constrictor
Thyropharyngeus
Upper Esophageal Sphincter
Previous Indexing
Esophagus (1966-2004)
See Also
Laryngopharyngeal Reflux
Public MeSH Note
2005; for CRICOPHARYNGEUS and INFERIOR CONSTRICTOR OF PHARYX see PHARYNGEAL MUSCLES 2005-2019
History Note
2005; for CRICOPHARYNGEUS and INFERIOR CONSTRICTOR OF PHARYX use PHARYNGEAL MUSCLES 2005-2019
Date Established
2005/01/01
Date of Entry
2004/07/07
Revision Date
2018/10/05
Esophageal Sphincter, Upper Preferred
Cricopharyngeus Narrower
Thyropharyngeus Narrower
Inferior Pharyngeal Constrictor Narrower
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