a. Oligodendrocytes: Produces myelin around a singular b. Astrocytes: nerve fiber c. Microglia: Phagocytoses debris d. Schwann Cells: Wraps many fibers with myelin e. Satellite Cells: Form the blood brain barrier Surround the soma and insulate it Produces the CSF 5. Explain whether a property will increase or decrease conduction speed: a. Large Fiber: b. Small Fiber: c. Myelinated: d. Unmyelinated: 6. Label and explain steps 1-7 in the action potential diagram below..