Anatomy

Duodenum

The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The shortest and widest portion of the SMALL INTESTINE adjacent to the PYLORUS of the STOMACH. It is named for having the length equal to about the width of 12 fingers.

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

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MeSH Record

See Also

MeSH Record

Synonyms

1 entry terms
  • Duodenums

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

inflammation = DUODENITIS; fistula = DUODENAL DISEASES + INTESTINAL FISTULA; duodenal atresia = DUODENAL OBSTRUCTION /congen + INTESTINAL ATRESIA; duodenal juice = DUODENUM + INTESTINAL SECRETIONS

MeSH Record

History Note

DUODENAL INTUBATION was heading 1963-65

MeSH Hierarchy

Tree Numbers

  1. A03w.556w.124w.684w.124w
  2. A03w.556w.875.249w

MeSH Record

NLM Classification

WI 505

AMA Style

References

  1. National Library of Medicine. Duodenum. Medical Subject Headings (MeSH). 2026. Unique ID D004386. http://id.nlm.nih.gov/mesh/2026/D004386
  2. Duodenum. In: Wikipedia. https://en.wikipedia.org/wiki/Duodenum
  3. Duodenum. In: Wikidata. https://www.wikidata.org/wiki/Q134955