the blood-brain barrier

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Definition of the blood-brain barrier in English English dictionary

The blood-brain barrier.
hematoencephalic barrier
blood-brain barrier
A structure in the central nervous system (CNS) that keeps various substances found in the bloodstream out of the brain while allowing in the substances essential to metabolic function, e.g. oxygen
blood-brain barrier
a mechanism that creates a barrier between brain tissues and circulating blood; serves to protect the central nervous system; "the brain was protected from the large molecules of the virus by the blood-brain barrier
the blood-brain barrier
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