Anatomy

Pyriform Sinus

A recess on each side in the wall of the HYPOPHARYNX.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A recess on each side in the wall of the HYPOPHARYNX.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

7 entry terms
  • Piriform Fossa
  • Piriform Recess
  • Piriform Sinus
  • Fossa, Piriform
  • Recess, Piriform
  • Sinus, Piriform
  • Sinus, Pyriform

MeSH Record

Aspects Covered

23 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, chemistry, cytology, diagnostic imaging, drug effects, embryology, enzymology, growth & development, immunology, injuries, innervation, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, ultrastructure, virology.

MeSH Record

History Note

2010

MeSH Hierarchy

Tree Number

  1. A04w.623w.490w.600w

AMA Style

References

  1. National Library of Medicine. Pyriform Sinus. Medical Subject Headings (MeSH). 2026. Unique ID D056144. http://id.nlm.nih.gov/mesh/2026/D056144
  2. Pyriform Sinus. In: Wikipedia. https://en.wikipedia.org/wiki/Pyriform_sinus
  3. Pyriform Sinus. In: Wikidata. https://www.wikidata.org/wiki/Q7197992