Meninges and Compartments
Main Text
TERMINOLOGY
Definitions
GROSS ANATOMY
Overview
- • Meninges
Dura
- – Dense, tough outermost layer of connective tissue
- – Only 1 dural layer in spine
- – Attached by fibrous bands to posterior longitudinal ligament
- – Tubular prolongations (nerve sheaths) of dura/arachnoid extend around roots/nerves through intervertebral foramina, terminate near dorsal root ganglia (DRG)
- – Dura fuses with epineurium of spinal nerves distal to DRG
Arachnoid
Pia
- • Ligaments
- • Spaces
- • Compartments
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