Blood brain barrier
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Blood brain barrier
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Blood brain barrier
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Blood brain barrier
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First Aid
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Amino acids
blood-brain barrier and p. 511
Basement membrane
blood-brain barrier p. 511
Blood-brain barrier
anesthetics p. 570
astrocytes p. 507
function and mechanism p. 511
l -DOPA p. 569
Cerebrospinal fluid (CSF)
blood-brain barrier and p. 511
Glucose
blood-brain barrier and p. 511
Infarction
blood-brain barrier effects p. 511
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Summary
The blood-brain barrier (BBB) is a semipermeable membrane that regulates what enters and leaves the brain, in order to protect it from harmful substances. The BBB is composed of endothelial cells that line the vasculature of the brain and are connected by tight junctions, which prevent compounds from passing freely between them. The BBB selectively allows molecules such as oxygen and glucose to cross into the brain, while preventing toxins and other foreign substances from entering. Damage or dysfunction of the BBB can allow harmful substances to enter the brain and lead to inflammation and neurological damage.
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