1. dorsal (posterior) horn dorsal root entry zone intermediolateral cell column white matter gray matter

2. ventral (anterior) horn white matter gray matter motor neurons

3. multipolar motor neuron nucleus w/ nucleolus Nissl substance (RNA)

4. ventral(anterior)horn white matter gray matter motorneurons dorsal nucleus (of Clarke) dorsal(posterior)horn

5. nucleus w/ nucleolus Nissl substance (RNA) neuropil

6. nucleus w/ nucleolus Nissl substance (RNA) neuropil

7. white matter gray matter dorsal(posterior)horn dorsal(posterior)horn white matter

9. molecular layer granule layer blood vessel pia mater

10. white matter molecular layer granule layer blood vessel pia mater Purkinje cells

11. molecular layer granule layer blood vessel dendrites nucleus w/ nucleolus Nissl substance

12. white matter bloodvessel

13. molecular layer external granule layer external pyramidal layer internal granule layer multiform layer internal pyramidal layer

14. molecular layer external granule layer external pyramidal layer internal granule layer internal pyramidal layer

17. multiform layer white matter