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The correct answer to the question "Which of the following is a phagocytic cell in CNS?" is:
- Microglial cells
Microglial cells are considered the phagocytic cells in the Central Nervous System (CNS). They play a crucial role in the immune defense of the brain and spinal cord by engulfing and digesting pathogens, cellular debris, and other harmful substances. This phagocytic activity helps in maintaining the health and function of the CNS by clearing away any potentially damaging elements.
Astrocytes, ependymal cells, and Schwann cells do not have phagocytic functions in the CNS. Astrocytes are support cells, ependymal cells line the ventricles of the brain, and Schwann cells are responsible for myelinating peripheral nerves.
I hope this helps clarify the concept for you. If you have any more questions or need further assistance, feel free to ask!
