HISTOLOGY
NERVOUS TISSUE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What type of nerve cell makes myelin in the central nervous system?
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Astrocyte
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Oligodendrocyte
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Microglial
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Ependymal
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Explanation:
Detailed explanation-1: -Schwann cells make myelin in the peripheral nervous system (PNS: nerves) and oligodendrocytes in the central nervous system (CNS: brain and spinal cord).
Detailed explanation-2: -The appearance of optic nerve OPCs correlates with retinal projection. Optic nerve oligodendrocytes develop from cells in the floor of the third ventricle directly dorsal to the optic chiasm. These cells or their progeny then populate the optic nerve before differentiating and myelinating (Ono et al., 1997).
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