Question

what is the blood brain barrier​

Answer 1

Answer:

The blood-brain barrier is composed of endothelial cells restricting passage of substances from the blood more selectively than endothelial cells of capillaries elsewhere in the body. ... Several areas of the human brain are not on the brain side of the BBB.

Answer 2

Blood Brain Barrier:-

A semipermeable membrane separating the blood from the cerebrospinal fluid, and constituting a barrier to the passage of cells, particles, and large molecules.

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