Anatomy

Phrenic Nerve

The motor nerve of the diaphragm. The phrenic nerve fibers originate in the cervical spinal column (mostly C4) and travel through the cervical plexus to the diaphragm.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The motor nerve of the diaphragm. The phrenic nerve fibers originate in the cervical spinal column (mostly C4) and travel through the cervical plexus to the diaphragm.

MeSH Record

Classification

Broader headings

Related Concepts

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MeSH Record

Synonyms

3 entry terms
  • Nerve, Phrenic
  • Nerves, Phrenic
  • Phrenic Nerves

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 Hierarchy

Tree Number

  1. A08w.800w.800w.720w.150w.700w

MeSH Record

NLM Classification

WL 400

AMA Style

References

  1. National Library of Medicine. Phrenic Nerve. Medical Subject Headings (MeSH). 2026. Unique ID D010791. http://id.nlm.nih.gov/mesh/2026/D010791
  2. Phrenic Nerve. In: Wikipedia. https://en.wikipedia.org/wiki/Phrenic_nerve
  3. Phrenic Nerve. In: Wikidata. https://www.wikidata.org/wiki/Q737313