Illustrated Encyclopedia of Human Anatomic Variation: Opus III: Nervous System: Plexuses
Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed
Partly for convenience of description and partly because of the differences in position and course of some of the nerves arising from it, the lumbosacral plexus is subdivided into four parts: the lumbar, sacral, pudendal, and coccygeal plexuses. It must be remembered that these plexuses overlap and that there is no definite line of demarcation between their origins and distributions.
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