Lumbosacral Plexus

Synonyms

Lumbar Plexus

Plexus, Lumbar

Plexus, Lumbosacral

Plexus, Sacral

Sacral 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.