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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.

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


expand / collapse publications
This graph shows the total number of publications written about "Esophageal Sphincter, Upper" by people in this website by year, and whether "Esophageal Sphincter, Upper" was a major or minor topic of these publications.
Bar chart showing 4 publications over 4 distinct years, with a maximum of 1 publications in 2007 and 2013 and 2019 and 2020
To see the data from this visualization as text, click here.