The blood-brain barrier
A) limits the direct exchange of materials between the cerebrospinal fluid and brain
B) is formed in part by the tight junctions between the brain capillary cells
C) consists of the astrocyte processes that encircle the brain capillaries
D) all of these
E) limits the direct exchange of materials between the cerebrospinal fluid and brain and is formed in part by the tight junctions between the brain capillary cells

Question

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The Answer of The blood-brain barrier
A) limits the direct exchange of materials between the cerebrospinal fluid and brain
B) is formed in part by the tight junctions between the brain capillary cells
C) consists of the astrocyte processes that encircle the brain capillaries
D) all of these
E) limits the direct exchange of materials between the cerebrospinal fluid and brain and is formed in part by the tight junctions between the brain capillary cells

The Blood-Brain Barrier