| A | B |
|---|
| Cranial nerve | One of the twelve pairs of nerves arising from the undersurface of the brain |
| Dermatome | Skin surface area supplied by sensory fibers of a single spinal nerve |
| Ganglion | Cluster of nerve cell bodies outside the central nervous system |
| Mixed nerve | Nerve containing axons of sensory and motor neurons |
| Plexus | Network of interwoven nerves |
| Ramus | Branch of a spinal nerve |
| Reflex | Action resulting from a nerve signal passing over a reflex arc |
| Spinal nerve | One of the 31 pairs of nerves connected to the spinal cord |
| Myotome | Skeletal muscle or group of muscles that receives motor axons from a given spinal nerve |
| Norepinephrine | Hormone secreted by adrenal medulla that increases cardiac output |
