Diseases

Thoracic Aortic Aneurysm

An abnormal balloon- or sac-like dilatation in the wall of the THORACIC AORTA. This proximal descending portion of aorta gives rise to the visceral and the parietal branches above the aortic hiatus at the diaphragm.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An abnormal balloon- or sac-like dilatation in the wall of the THORACIC AORTA. This proximal descending portion of aorta gives rise to the visceral and the parietal branches above the aortic hiatus at the diaphragm.

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

7 entry terms
  • Aneurysm, Thoracic Aorta
  • Aneurysm, Thoracic Aortic
  • Aortic Aneurysm, Thoracic
  • Thoracic Aorta Aneurysm
  • Aorta Aneurysm, Thoracic
  • Thoracic Aorta Aneurysms
  • Thoracic Aortic Aneurysms

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

Indexing Annotation

dissecting aneurysm: coordinate with AORTIC DISSECTION; rupture: coordinate with AORTIC RUPTURE

MeSH Record

History Note

93

MeSH Record

Previous Indexing

  • Aortic Aneurysm (1966-1992)

MeSH Hierarchy

Tree Numbers

MeSH Record

NLM Classification

WG 410

AMA Style

References

  1. National Library of Medicine. Thoracic Aortic Aneurysm. Medical Subject Headings (MeSH). 2026. Unique ID D017545. http://id.nlm.nih.gov/mesh/2026/D017545
  2. Thoracic Aortic Aneurysm. In: Wikipedia. https://en.wikipedia.org/wiki/Thoracic_aortic_aneurysm
  3. Thoracic Aortic Aneurysm. In: Wikidata. https://www.wikidata.org/wiki/Q3616648