The blood-brain barrier is made up of

A. astrocyte perivascular feet and the falx cerebri.
B. astrocyte perivascular feet and capillary endothelial cells.
C. microglial extensions and capillary endothelial cells.
D. astrocyte extensions and dural sinuses.
E. ependymal cells and venous blood vessels.


Answer: B

Anatomy & Physiology

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