Anatomy

Sphenoid Sinus

One of the paired air spaces located in the body of the SPHENOID BONE behind the ETHMOID BONE in the middle of the skull. Sphenoid sinus communicates with the posterosuperior part of NASAL CAVITY on the same side.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

One of the paired air spaces located in the body of the SPHENOID BONE behind the ETHMOID BONE in the middle of the skull. Sphenoid sinus communicates with the posterosuperior part of NASAL CAVITY on the same side.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

1 entry terms
  • Sinus, Sphenoid

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

Indexing Annotation

inflammation or sinusitis = SPHENOID SINUSITIS; fractures: coordinate SPHENOID SINUS /inj (IM) + SKULL FRACTURES (IM); neoplasms: coordinate IM with PARANASAL SINUS NEOPLASMS (IM)

MeSH Hierarchy

Tree Number

  1. A04w.531w.621w.827w

MeSH Record

NLM Classification

WV 358

AMA Style

References

  1. National Library of Medicine. Sphenoid Sinus. Medical Subject Headings (MeSH). 2026. Unique ID D013101. http://id.nlm.nih.gov/mesh/2026/D013101
  2. Sphenoid Sinus. In: Wikipedia. https://en.wikipedia.org/wiki/Sphenoid_sinus
  3. Sphenoid Sinus. In: Wikidata. https://www.wikidata.org/wiki/Q1049298