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Esophageal Sphincter, Upper

"Esophageal Sphincter, Upper" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

The structure at the pharyngoesophageal junction consisting chiefly of the CRICOPHARYNGEUS MUSCLE. It normally occludes the lumen of the ESOPHAGUS, except during SWALLOWING.


This graph shows the total number of publications written about "Esophageal Sphincter, Upper" by people in Harvard Catalyst Profiles by year, and whether "Esophageal Sphincter, Upper" was a major or minor topic of these publication.
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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.