|a Pia mater||b Subarachnoid space filled with cerebral spinal fluid, wastes and various cells.|
|c Fibrocyte mixed in the blue collagen fibers of the dura mater.||d Nucleus & nucleolus of unipolar neuron|
|e Nucleus of one of many tiny satellite cells
surrounding the large unipolar neuron.
|f Myelinated axon|
|g Node of Ranvier||h Nucleus of white Schwann cell|