| A | B |
|---|
| Cauda equina | Lower end of the spinal cord |
| Cranial nerve | Pair of nerves arising from the brain |
| Dermatome | Skin surface area of a single spinal nerve |
| Ganglion | Cluster of nerve cell bodies |
| Plexus | Network of interwoven nerves |
| Ramus | Branch of a spinal nerve |
| Reflex | Action from a nerve signal passing over a reflex arc |
| Phrenic nerve | Innervates the diaphram |
| Optic nerves | Carry visual information from the eyes to brain |
