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 WordNet Dictionary |
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| | Definition: | | [n] 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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| | See Also: | | barrier |
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| Medical Dictionary |
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| | Definition: | | the protective membrane that separates circulating blood from brain cells. |
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| Biology Dictionary |
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| | Definition: | | A barrier made up of neuroglia and capillary walls which limits the movement of substances in the bloodstream into the brain. |
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