Anatomy

Intercostal Nerves

The ventral rami of the thoracic nerves from segments T1 through T11. The intercostal nerves supply motor and sensory innervation to the thorax and abdomen. The skin and muscles supplied by a given pair are called, respectively, a dermatome and a myotome.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The ventral rami of the thoracic nerves from segments T1 through T11. The intercostal nerves supply motor and sensory innervation to the thorax and abdomen. The skin and muscles supplied by a given pair are called, respectively, a dermatome and a myotome.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

3 entry terms
  • Intercostal Nerve
  • Nerve, Intercostal
  • Nerves, Intercostal

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, metabolism, microbiology, parasitology, pathology, physiology, physiopathology, radiation effects, surgery, transplantation, ultrastructure, virology.

MeSH Record

Indexing Annotation

dis: coord IM with PERIPHERAL NERVOUS SYSTEM DISEASES (IM); neopl: coord IM with PERIPHERAL NERVE NEOPLASMS (IM) + histol type of neopl (IM)

MeSH Record

History Note

91(75); was see under THORACIC NERVES 1975-90

MeSH Hierarchy

Tree Number

  1. A08w.800w.800w.720w.800.350w

AMA Style

References

  1. National Library of Medicine. Intercostal Nerves. Medical Subject Headings (MeSH). 2026. Unique ID D007367. http://id.nlm.nih.gov/mesh/2026/D007367
  2. Intercostal Nerves. In: Wikipedia. https://en.wikipedia.org/wiki/Intercostal_nerves
  3. Intercostal Nerves. In: Wikidata. https://www.wikidata.org/wiki/Q1515961