Anatomy

Diaphragm

The musculofibrous partition that separates the THORACIC CAVITY from the ABDOMINAL CAVITY. Contraction of the diaphragm increases the volume of the thoracic cavity aiding INHALATION.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The musculofibrous partition that separates the THORACIC CAVITY from the ABDOMINAL CAVITY. Contraction of the diaphragm increases the volume of the thoracic cavity aiding INHALATION.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

5 entry terms
  • Respiratory Diaphragm
  • Diaphragm, Respiratory
  • Diaphragms
  • Diaphragms, Respiratory
  • Respiratory Diaphragms

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

IM when organ of respiration; NIM in studies on muscle tissue; /growth: coord with MUSCLE DEVELOPMENT; /embryol: coord with MUSCLE DEVELOPMENT if pertinent

MeSH Hierarchy

Tree Numbers

  1. A01.923w.112.250w
  2. A02w.633w.567w.900w.300w

AMA Style

References

  1. National Library of Medicine. Diaphragm. Medical Subject Headings (MeSH). 2026. Unique ID D003964. http://id.nlm.nih.gov/mesh/2026/D003964
  2. Diaphragm. In: Wikipedia. https://en.wikipedia.org/wiki/Thoracic_diaphragm
  3. Diaphragm. In: Wikidata. https://www.wikidata.org/wiki/Q9654