When illustrating the blood-brain barrier for a neuroscience textbook, which combination of cellular components must be accurately depicted as forming this selective barrier?
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A
Tight junctions between brain capillary endothelial cells, astrocyte end-feet, and pericytes
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B
Myelin sheaths and oligodendrocyte processes only
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C
Microglia and ependymal cells lining ventricles
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D
Schwann cells and nodes of Ranvier along axons