A) ependymal cells
B) microglia
C) astrocytes
D) oligodendrocytes
Correct Answer: A
Solution :
Ependymal cells are columnar cells that have ciliated surface. They support the central nervous system and also nutritive in function. Microglia are minute cells which phagocytir pathogens and cellular debris within brain. Astrocytes form structural support between capillaries and neurons within the CNS and contribute to blood-brain barrier. Oligodendrocytes form myelin in CNS and guide development of neurons within the CNS.
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