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blood-brain barrier

bloodb·rain·bar·rier

uncommon

noun

1.

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”
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Broader terms

WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.