Anatomy

Middle Ear

The space and structures directly internal to the TYMPANIC MEMBRANE and external to the inner ear (LABYRINTH). Its major components include the AUDITORY OSSICLES and the EUSTACHIAN TUBE that connects the cavity of middle ear (tympanic cavity) to the upper part of the throat.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The space and structures directly internal to the TYMPANIC MEMBRANE and external to the inner ear (LABYRINTH). Its major components include the AUDITORY OSSICLES and the EUSTACHIAN TUBE that connects the cavity of middle ear (tympanic cavity) to the upper part of the throat.

MeSH Record

Classification

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MeSH Record

Synonyms

9 entry terms
  • Ear, Middle
  • Ears, Middle
  • Middle Ears
  • Tympanic Cavity
  • Tympanum
  • Cavities, Tympanic
  • Cavity, Tympanic
  • Tympanic Cavities
  • Tympanums

MeSH Record

Aspects Covered

24 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, transplantation, ultrastructure, virology.

MeSH Record

Indexing Annotation

/surg: consider TYMPANOPLASTY; inflammation = OTITIS MEDIA; injuries caused by pressure = EAR, MIDDLE /inj (IM) + BAROTRAUMA (IM); middle ear effusions = OTITIS MEDIA WITH EFFUSION

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References

  1. National Library of Medicine. Middle Ear. Medical Subject Headings (MeSH). 2026. Unique ID D004432. http://id.nlm.nih.gov/mesh/2026/D004432
  2. Middle Ear. In: Wikipedia. https://en.wikipedia.org/wiki/Middle_ear
  3. Middle Ear. In: Wikidata. https://www.wikidata.org/wiki/Q501553