Hear a word and type it out. How many can you get right?
TAKE THE QUIZ“brain barrier”
We have one entry that includes the term brain barrier.
blood-brain barrier
noun: a naturally occurring barrier created by the modification of brain capillaries (as by reduction in fenestration and formation of tight cell-to-cell contacts) that prevents many substances from leaving the blood and crossing the capillary walls into the brain tissues
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Merriam-Webster unabridged
