Phagocytosis in brain is caused by -: (A) Astrocytes, (B) Microglia, (C) Oligodendrocytes, (D) Ependymal cells
Answer is B. Ans. is 'b' i.e., Microglia Microglial cells are the major phagocytic cells in C.N.S. At the time of injury microglial cells modify to form macrophages called Gitter cells.Oligodendrocytes - They secrete myelin sheath in CNSSchwann cells - The secrete myelin sheath in peripheral nervous system.