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ANAT 2647 Spinal Cord - PNS - cx1,cx2 Spinal Arachnoid •...

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Ascent of the Cord Degeneration of the caudal spinal cord (formation of the filum terminale) Rapid growth of vertebral column
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Lumbar Puncture To sample CSF, insert needle between L3- L4 or L4-L5
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Dura Mater Single layered Suspended in the vertebral canal Epidural Space Real space between dura and vertebral periosteum Arachnoid Attached to inner surface of Dura Pia mater Attached to spinal cord surface Expanded as denticulate ligament
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Spinal Dura One layer Epidural fat and a plexus of veins separates it  from the vertebral periosteum Ends at S2
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Unformatted text preview: cx1,cx2 Spinal Arachnoid • Potential subdural space • Trabeculae suspends the spinal cord • Lumbar cistern L2-S2 Spinal Pia • Filum terminale • 21 Denticulate ligaments attach to dura from foramen magnum to below tv12 Nerve Roots • Dorsal • Ventral • Cauda equina • Lumbar Cistern Distribution of Spinal Nerves • Recurrent branch to dura, PLL, and IVD • Vertebral facet joints receive processes from the nearest 3 spinal nerves....
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