Anatomy

Mastoid

The posterior part of the temporal bone. It is a projection of the petrous bone.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The posterior part of the temporal bone. It is a projection of the petrous bone.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

9 entry terms
  • Mastoid Bone
  • Mastoid Process
  • Bone, Mastoid
  • Mastoid Bones
  • Mastoid Processes
  • Mastoids
  • Process, Mastoid
  • Mastoid Foramen
  • Foramen, Mastoid

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

inflammation = MASTOIDITIS; fractures: coordinate MASTOID /inj (IM) + SKULL FRACTURES (IM)

MeSH Hierarchy

Tree Number

  1. A02w.835w.232w.781w.885w.444

AMA Style

References

  1. National Library of Medicine. Mastoid. Medical Subject Headings (MeSH). 2026. Unique ID D008416. http://id.nlm.nih.gov/mesh/2026/D008416
  2. Mastoid. In: Wikidata. https://www.wikidata.org/wiki/Q845740