Nervous System


Nervous System

You should be able to:

  • Distinguish cerebellum from cerebrum in histological sections.
  • Identify the layers of the grey matter in the cerebellum and their constituent cells.
  • Describe and explain the organization and structure of the spinal cord in cross-section.
  • Distinguish and explain the differences between ganglia and nerves.

Slides for this week

For each slide, complete the work as listed below. Completing the whole slide will assist you in understanding and retention. For each slide, allocate an A3 spread in your workbook. Remember to add the slide and its page number to the index in the front of the book.


  • What are the 3 layers of the sclera?
  • Name and discuss the 5 layers of the cornea.
  • Name the 4 layers of the iris.
  • What determines eye colour?
  • Name the 8 layers of the retina and what forms them.
  • What is the lens composed of?
  • Name the 3 chambers of the eye.
  • Explain the histological basis of glaucoma.
  • Describe the flow of liquid in the posterior and anterior chambers of the eye.
  • What separates the external and middle ear?
  • Name the three auditory ossicles.
  • What type of joint articulates the ossicles?
  • How is movement detected in the inner ear?
  • How is sound detected in the inner ear?
  • What is the organ of Corti composed of?
  • Name 3 types of neurons.
  • What is a synapse?
  • Name the types of cells which form myelin in the CNS & PNS.
  • Name the 4 specialized support cells of the central nervous system.
  • Name and define the 3 meningeal layers.
  • What is the function of the choroid plexus?
  • Name the 4 components of a peripheral nerve.
  • Where are the endoneurium, perineurium and epineurium located?
  • Which autoimmune disease attacks the myelin of the CNS?

© julie 2020 marius loots