MeSH Browser

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

Allowable Qualifiers: abnormalities (AB)

anatomy & histology (AH)

blood supply (BS)

chemistry (CH)

cytology (CY)

diagnostic imaging (DG)

drug effects (DE)

embryology (EM)

enzymology (EN)

growth & development (GD)

immunology (IM)

injuries (IN)

innervation (IR)

metabolism (ME)

microbiology (MI)

parasitology (PS)

pathology (PA)

physiology (PH)

physiopathology (PP)

radiation effects (RE)

surgery (SU)

transplantation (TR)

ultrastructure (UL)

virology (VI)

Esophageal Sphincter, Upper MeSH Descriptor Data 2025