What is the meaning of blood-brain barrier?

noun

  • A mechanism that creates a barrier between brain tissues and circulating blood; serves to protect the central nervous system.
    • usage: "the brain was protected from the large molecules of the virus by the blood-brain barrier"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). blood-brain barrier. Retrieved September 23, 2026, from http://smartdefine.org/blood-brain_barrier/definitions/1226644
ChicagoWordNet. 2010. "blood-brain barrier" http://smartdefine.org/blood-brain_barrier/definitions/1226644 (accessed September 23, 2026).
HarvardWordNet 2010, blood-brain barrier, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/blood-brain_barrier/definitions/1226644>.
MLAWordNet. "blood-brain barrier" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/blood-brain_barrier/definitions/1226644>