Question: what is the difference between blood brain barrier and blood csf barrier?
Answer: Blood–CSF Barrier Versus Blood–Brain Barrier: Fundamental Differences. ... Choroidal capillaries are highly permeable; cerebral capillaries are markedly impermeable. The parenchymal cells of the BCSFB are the choroid epithelium; on the other hand, BBB is comprised primarily of endothelium.