**Note few cells per unit area. Cells in the white matter are microglia with few if any neuron bodies. 

**The cerebral cortex is divided into six layers. Distinguishing the exact borders of these layers is difficult requiring special staining and is beyond the scope of this discussion. The six layers from outside to inside include: plexiform or molecular layer, small pyramidal cell layer, medium pyramidal cell layer, granular layer, large pyramidal cell layer, and the polymorphic cell layer.