Anatomy

Peritoneal Cavity

The space enclosed by the peritoneum. It is divided into two portions, the greater sac and the lesser sac or omental bursa, which lies behind the STOMACH. The two sacs are connected by the foramen of Winslow, or epiploic foramen.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The space enclosed by the peritoneum. It is divided into two portions, the greater sac and the lesser sac or omental bursa, which lies behind the STOMACH. The two sacs are connected by the foramen of Winslow, or epiploic foramen.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

7 entry terms
  • Cavity, Peritoneal
  • Greater Sac
  • Lesser Sac
  • Omental Bursa
  • Bursa, Omental
  • Sac, Greater
  • Sac, Lesser

MeSH Record

Aspects Covered

17 allowable subheadings

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

MeSH Record

Indexing Annotation

"peritoneal cells" = probably PERITONEAL CAVITY /cytol or ASCITIC FLUID /pathol if pertinent; note PERITONEAL FLUID see ASCITIC FLUID; /inj is probably PERITONEUM /inj

MeSH Hierarchy

Tree Number

  1. A01.923w.047w.025w.600w.678w

MeSH Record

NLM Classification

WI 575

AMA Style

References

  1. National Library of Medicine. Peritoneal Cavity. Medical Subject Headings (MeSH). 2026. Unique ID D010529. http://id.nlm.nih.gov/mesh/2026/D010529
  2. Peritoneal Cavity. In: Wikipedia. https://en.wikipedia.org/wiki/Peritoneal_cavity
  3. Peritoneal Cavity. In: Wikidata. https://www.wikidata.org/wiki/Q1030169