Oligodendrocytes form and maintain the blood-brain barrier.

Question

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Oligodendrocytes are a type of glial cell in the central nervous system. Their main function is to produce myelin, which insulates and protects nerve fibers. While they play an important role in nerve cell function, they do not form or maintain the blood-brain barrier. Endothelial cells in capillaries and small blood vessels in the brain are responsible for forming the blood-brain barrier.

Oligodendrocytes Form and Maintain the Blood-Brain Barrier