Anatomy

• Spinal Cord
  • Adults: Extends to L₁–L₂
  • Peds: Extends to L₃
• Spinal Nerves
  • 31 pairs
    • 8 Cervical
    • 12 Thoracic
    • 5 Lumbar
    • 5 Sacral
    • 1 Coccygeal
• Meninges
  • Surround, protect, and support the spinal cord
  • Outer to inner
    • Dura mater
    • Arachnoid mater
    • Pia mater
• Epidural Space
  • Between the dura mater and the vertebrae
• Vertebrae (33)
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