Question

What Is Blood Brain Barrier?



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Answer 1

Answer:

➡️The blood-brain barrier surrounds most of the blood vessels in the brain.

• It is a structure that is formed primarily due to the establishment of tight junctions between endothelial cells

Explanation:

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Answer 2

• The ${\underline{\bold{blood-brain~ barrier}}}$ acts as an additional boundary between the circulating blood and the extracellular space of the brain

• The purpose of the blood–brain barrier is to protect against circulating toxins or pathogens that could cause brain infections, while at the same time allowing vital nutrients to reach the brain.