This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Features of Neuroglia cells include all except: \nSelect and explain. \nA. Protoplasmic astrocytes are found in grey matter, B. Oligodendrocytes are derived from ectoderm, C. Microglia are mesodermal in origin, D. Central neuroglial cells are derived from Schwann Cells', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Central neuroglial cells are derived from schwann cells Schwann cells form myelin around axons in the peripheral nervous systemQ. They are not found in central nervous system. In CNS myelination is done by oligodendrocyteQ.', 'role': 'assistant'}]