Nervous Tissue Locate the spinal cord with the naked eye.
Epidural fat is seen.
Try to demarcate the boundary between the white and the grey matter of the spinal cord. Identify also the nucleus, nucleolus and Nissl substance in the neurons. Arising from the perikaryon are a variable number of dendrites in short segment. Between the neurons are the nuclei of neuroglail cells. It is difficult to classify them into types in paraffin section.