Spinal cord & spinal nerves
100

Cerebrospinal fluid is found in this space

Subarachnoid space

200

This branch of spinal nerves supplies deep back muscles

Posterior (dorsal) ramus

300

This tract goes from the cortex of the brain to the spinal cord

Corticospinal tract

400

This nerve is actually made up of 2 nerves

Sciatic nerve

500

This sensory tract transmit sensory impulses for temperature

Spinothalamic tract

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