Physiology Nervous system 4da4ef73 Macrophage is CNS A Fibrous Astrocyte B Microglia C Oligodendrocyte D Protoplasmic astrocyte High-Yield Explanation Microglia are scavenger cells in CNS that resemble tissue macrophages and remove debris resulting from the injury. Ganong's review of medical physiology; 23rd edition; pg: 80