This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nerve Physiology, Subject name: Physiology
Phagocytosis in the CNS is done by: 
Select and explain. 
A. Astrocytes, B. Schwann cells, C. Microglia, D. Oligocytes
C: Microglia
Answer: C: Microglia 
Explanation: Ans. C. MicrogliaThe reticuloendothelial system (R.E.S) comprises monocyte-derived phagocytic cells that are lymph nodes and several other organs. The reticuloendothelial system comprises monocyte-derived phagocytic cells that are lymph nodes several other organs.