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Meninges and Compartments
Kevin R. Moore, MD
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Terminology

  • Abbreviations

    • Dorsal root ganglia (DRG)
  • Definitions

    • Meninges = collective term for dura, arachnoid, pia
      • Pachy ("thick") meninges = dura
      • Lepto ("thin") meninges = arachnoid, pia
    • Spaces = real or potential spaces between meningeal layers or adjacent structures
    • Ligaments = suspend cord within thecal sac
    • Compartments = anatomic construct for location-based imaging differential diagnoses

Gross Anatomy

  • Overview

    Imaging Anatomy

    • Overview

      Anatomy Imaging Issues

      • Questions

        • Imaging Recommendations

          • Imaging Pitfalls

            Related Anatomy
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            Related Differential Diagnoses
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            References
            Tables

            Tables

            Terminology

            • Abbreviations

              • Dorsal root ganglia (DRG)
            • Definitions

              • Meninges = collective term for dura, arachnoid, pia
                • Pachy ("thick") meninges = dura
                • Lepto ("thin") meninges = arachnoid, pia
              • Spaces = real or potential spaces between meningeal layers or adjacent structures
              • Ligaments = suspend cord within thecal sac
              • Compartments = anatomic construct for location-based imaging differential diagnoses

            Gross Anatomy

            • Overview

              Imaging Anatomy

              • Overview

                Anatomy Imaging Issues

                • Questions

                  • Imaging Recommendations

                    • Imaging Pitfalls