Anatomy

Pylorus

The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The region of the STOMACH at the junction with the DUODENUM. It is marked by the thickening of circular muscle layers forming the pyloric sphincter to control the opening and closure of the lumen.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

See Also

MeSH Record

Synonyms

4 entry terms
  • Pyloric Sphincter
  • Pyloric Sphincters
  • Sphincter, Pyloric
  • Sphincters, Pyloric

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 Hierarchy

Tree Number

  1. A03w.556w.875.875w.799w

MeSH Record

NLM Classification

WI 387

AMA Style

References

  1. National Library of Medicine. Pylorus. Medical Subject Headings (MeSH). 2026. Unique ID D011708. http://id.nlm.nih.gov/mesh/2026/D011708
  2. Pylorus. In: Wikipedia. https://en.wikipedia.org/wiki/Pylorus
  3. Pylorus. In: Wikidata. https://www.wikidata.org/wiki/Q290248