Neurons (Motor), Spinal Cord, 50X at 35mm. Shows: 3 neurons, cell bodies, nuclei, dendrites, probable axon, and neuroglial cells. [Getty Images]

Neurons (Motor), Spinal Cord, 50X at 35mm. Shows: 3 neurons, cell bodies, nuclei, dendrites, probable axon, and neuroglial cells.

Photolibrary Ed Reschke