Small, wandering cells that engulf cell debris and pathogens in the cns are called a) astrocytes. b) satellite cells. c) oligodendrocytes. d) microglia. e) ependymal cells.

D. Microglia

Explanation:

Microglia are phagocytic, which means that they are cells that can engulf other cells and particles. Microglia protect the CNS by engulfing foreign particles and bacteria. They act also as a clean-up crew that help remove dead cells. They are found in both the brain and spinal cord, which make up the Central Nervous System, or the CNS.

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