Spinal Cord Biology 2121 Chapter 12. Lumbar Tap Spinal Tap.

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Presentation transcript:

Spinal Cord Biology 2121 Chapter 12

Lumbar Tap Spinal Tap

Gross Anatomy – Spinal Cord (1) intervertebral discs, (2) vertebral bodies (3) dura mater (4) epidural space (5) spinal cord (6) subdural space.

Formation of the Spinal Nerves Spinal Nerves

Connecting the Spinal Nerves to the CNS

Ascending Pathways

First – Order : Sensory receptors through the Dorsal Horns to the Medulla Oblongata Second – Order: Medulla Oblongata to the Thalamus Third- Order: Thalamus to the Somatosensory Cortex First-Order: Receptors to Dorsal Horn Second-Order: Dorsal Horn to Thalamus Third-Order: Thalamus to Somatosensory Cortex

Descending Pathways

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