Anatomy

Lumbosacral Plexus

The lumbar and sacral plexuses taken together. The fibers of the lumbosacral plexus originate in the lumbar and upper sacral spinal cord (L1 to S3) and innervate the lower extremities.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

The lumbar and sacral plexuses taken together. The fibers of the lumbosacral plexus originate in the lumbar and upper sacral spinal cord (L1 to S3) and innervate the lower extremities.

MeSH Record

Classification

Broader headings

Narrower headings

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MeSH Record

Synonyms

12 entry terms
  • Plexus, Lumbosacral
  • Inferior Cluneal Nerves
  • Lumbar Plexus
  • Posterior Femoral Cutaneous Nerve
  • Sacral Plexus
  • Cluneal Nerve, Inferior
  • Cluneal Nerves, Inferior
  • Inferior Cluneal Nerve
  • Nerve, Inferior Cluneal
  • Nerves, Inferior Cluneal
  • Plexus, Lumbar
  • Plexus, Sacral

MeSH Record

Aspects Covered

22 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, ultrastructure, virology.

MeSH Record

Indexing Annotation

a network of spinal nerves

MeSH Hierarchy

Tree Number

  1. A08w.800w.800w.720w.450w

MeSH Record

NLM Classification

WL 400

AMA Style

References

  1. National Library of Medicine. Lumbosacral Plexus. Medical Subject Headings (MeSH). 2026. Unique ID D008160. http://id.nlm.nih.gov/mesh/2026/D008160
  2. Lumbosacral Plexus. In: Wikipedia. https://en.wikipedia.org/wiki/Lumbosacral_plexus
  3. Lumbosacral Plexus. In: Wikidata. https://www.wikidata.org/wiki/Q13566427