Anatomy

Abdominal Cavity

The region in the abdomen extending from the thoracic DIAPHRAGM to the plane of the superior pelvic aperture (pelvic inlet). The abdominal cavity contains the PERITONEUM and abdominal VISCERA, as well as the extraperitoneal space which includes the RETROPERITONEAL SPACE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The region in the abdomen extending from the thoracic DIAPHRAGM to the plane of the superior pelvic aperture (pelvic inlet). The abdominal cavity contains the PERITONEUM and abdominal VISCERA, as well as the extraperitoneal space which includes the RETROPERITONEAL SPACE.

MeSH Record

Classification

Broader headings

Narrower headings

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MeSH Record

Synonyms

4 entry terms
  • Cavitas abdominis
  • Abdominal Cavities
  • Cavities, Abdominal
  • Cavity, Abdominal

MeSH Record

Aspects Covered

15 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood supply, diagnostic imaging, embryology, growth & development, innervation, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, virology.

MeSH Record

Indexing Annotation

prefer specifics; ABDOMEN is also available, use author's language

MeSH Record

History Note

2003

MeSH Record

Previous Indexing

  • Abdomen (1964-2002)

MeSH Hierarchy

Tree Number

  1. A01.923w.047w.025w

AMA Style

References

  1. National Library of Medicine. Abdominal Cavity. Medical Subject Headings (MeSH). 2026. Unique ID D034841. http://id.nlm.nih.gov/mesh/2026/D034841
  2. Abdominal Cavity. In: Wikipedia. https://en.wikipedia.org/wiki/Abdominal_cavity
  3. Abdominal Cavity. In: Wikidata. https://www.wikidata.org/wiki/Q682466