Anatomy

Gastrointestinal Tract

Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS).

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS).

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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MeSH Record

Synonyms

5 entry terms
  • Digestive Tract
  • GI Tract
  • Digestive Tracts
  • GI Tracts
  • Gastrointestinal Tracts

MeSH Record

Aspects Covered

23 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, ultrastructure, virology.

MeSH Record

History Note

2004

MeSH Record

Previous Indexing

  • Gastrointestinal System (1965-2003)

MeSH Hierarchy

Tree Number

  1. A03w.556w

AMA Style

References

  1. National Library of Medicine. Gastrointestinal Tract. Medical Subject Headings (MeSH). 2026. Unique ID D041981. http://id.nlm.nih.gov/mesh/2026/D041981
  2. Gastrointestinal Tract. In: Wikipedia. https://en.wikipedia.org/wiki/Gastrointestinal_tract
  3. Gastrointestinal Tract. In: Wikidata. https://www.wikidata.org/wiki/Q11829360