Neuroglia support and protect neurons. The central nervous system (CNS) has four (4) types of neuroglia. Correctly match each cell characteristic with the correct neuroglial cell.

1. Line the central canal in the spinal cord
2. Largest neuroglial cell
3. Can migrate through neural tissue
4. Produce, monitor, and circulate cerebrospinal fluid
5. Most abundant neuroglial cells
6. Maintain the blood-brain barrier
7. Many are ciliated
8. Many cytoplasmic processes with feet
9. Help to provide structural framework for the CNS
10. Cell type includes ependymocytes and tanycytes
11. Smallest number of neuroglial cells
12. Forms cuboidal columnar epithelium
13. Lacking basement membrane
14. Engulf cellular debris, waste products, and pathogens
15. Contain many microfilaments
16. Adjust composition of interstitial fluid
17. Have some slender cytoplasmic extensions in contact with neuron surface
18. Small cell body
19. Forms membranous wrapping (myelin) around axon
20. Provides electrical insulation for axon
21. Maintain permeability characteristics of capillary endothelial cells
22. Phagocytes
23. Repair/stabilize damaged neural tissue
24. Cytoplasmic processes each with very fine branches
25. Increases speed of action potential

a. Ependymal cells
b. Astrocytes
c. Oligodendrocytes
d. Microglia