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2018 Part 2
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Abhishek Srivastava is teaching live on Unacademy Plus

Abhishek Srivastava
GS faculty and subject matter expert | 4 yrs Teaching Exp.| HiStory, Geog. and Polity courses with interrelation, logic & chronology.

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microglial cells are not part of nervous system they are macrophages which migrated to mervous system during embryonic development..they are mesodermal in origin whereas nervous system is ectodermal in origin ...