Nervous System Model: Lumbosacral Region 

nervous_system.jpg (57567 bytes) Cervical Region/Brain
Thoracic Region
Lumbosacral Region

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12th thoracic vertebra and 12th rib Conus medullaris Cauda equina Cut edge of dural sac Lumbar plexus Right psoas major (left psoas major removed) Right iliacus with obturator nerve running across its anterior surface 5th lumbar vertebra 1st sacral vertebra Sciatic nerve  

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Femoral nerve Sacral plexus