Human Anatomy - Kotsan I. Y. 2009

Peripheral nervous system
Spinal nerves
Lumbosacral plexus

The Anterior branches of the lumbar and sacral Spinal Nerves interconnect to form the lumbar and sacral plexuses. These two plexuses are linked by the lumbosacral trunk and are therefore frequently referred to collectively as the lumbosacral plexus (Fig. 261).



Last update: 08/08/2026

Editorial and Educational Adaptation: This material has been compiled based on the primary/original source text. The project team performed an editorial review, corrected technical inaccuracies, structured sections, and adapted the content for an educational format.

What was processed:

  • elimination of formatting defects (OCR errors, structural breaks, corrupted characters);
  • editorial organization of content;
  • standardization of terminology in accordance with academic sources;
  • verification of factual statements against the original source text.

All mentions of the author, publication year, and origin of the primary text have been preserved in accordance with the source.