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Lumbar and sacral plexuses with sympathetic trunk

Lumbar and sacral plexuses with sympathetic trunk — Peripheral nerves
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After Morris's Human Anatomy; modernized for Neuro.Wiki

About this plate

Lumbar and sacral plexuses with sympathetic trunk. Anterior view of the peripheral nerve.

Region
peripheral nerve
Structure
lumbar plexus
View
anterior
System
peripheral nerves, autonomic, muscle, bone
Focus
lumbar plexus, sacral plexus, lumbosacral trunk, sympathetic trunk

Structures labelled on this plate

  • Lumbar vertebrae
  • Medial crus of diaphragm
  • Rib XII
  • Psoas minor
  • Intercostal XII
  • Quadratus lumborum
  • Ilio-hypogastric
  • Ilio-inguinal
  • Psoas major
  • Transversus abdominis
  • Genito-femoral
  • Iliacus
  • Lateral cutaneous
  • Femoral
  • Iliopectineal fascia
  • Obturator
  • Superior gluteal
  • Obturator fascia
  • Piriformis with its muscular branch
  • Lumbar I (anterior branch)
  • Muscular branch
  • Rami communicantes
  • Sympathetic trunk
  • Lumbar II
  • Muscular branches
  • Lumbar III
  • Lumbar IV
  • Muscular branches for iliacus
  • Lumbar V
  • Lumbo-sacral trunk
  • Piriformis
  • Sciatic
  • Sacral plexus
  • Posterior cutaneous
  • Middle hæmorrhoidal and inferior vesical
  • Pudendal plexus
  • Sacral I-V
  • Pudendal
  • Ano-coccygeal
  • Coccygeal
  • Ganglion coccygeum impar

Source: After Morris's Human Anatomy (1918). Public domain (Morris's Human Anatomy, 1918), modernized rendering.