Anatomy

Petrous Bone

The dense rock-like part of temporal bone that contains the INNER EAR. Petrous bone is located at the base of the skull. Sometimes it is combined with the MASTOID PROCESS and called petromastoid part of temporal bone.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The dense rock-like part of temporal bone that contains the INNER EAR. Petrous bone is located at the base of the skull. Sometimes it is combined with the MASTOID PROCESS and called petromastoid part of temporal bone.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

4 entry terms
  • Petrous Apex
  • Petrous Pyramid
  • Bone, Petrous
  • Petrous Bones

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

fractures: coordinate PETROUS BONE /inj with SKULL FRACTURES; neoplasms: coordinate with SKULL NEOPLASMS

MeSH Hierarchy

Tree Number

  1. A02w.835w.232w.781w.885w.681w

MeSH Record

NLM Classification

WV 230

AMA Style

References

  1. National Library of Medicine. Petrous Bone. Medical Subject Headings (MeSH). 2026. Unique ID D010579. http://id.nlm.nih.gov/mesh/2026/D010579
  2. Petrous Bone. In: Wikipedia. https://en.wikipedia.org/wiki/Petrous_part_of_the_temporal_bone
  3. Petrous Bone. In: Wikidata. https://www.wikidata.org/wiki/Q1404198