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blood brain barrier
nurs.	血-脑屏障
repr.biol.	血脑障壁
vet.med.	血脑屏障
blood-brain barrier ['blʌdbreɪn'bærɪə]
med.	血脑屏障
sport., med.	血-脑屏障
English thesaurus
blood-brain barrier ['blʌdbreɪn'bærɪə]
med.	A semi-permeable layer of tightly joined cells that separate the brain from circulating blood. The blood-brain barrier prevents potentially dangerous substances in the blood, such as disease-causing organisms or chemical compounds, from entering the brain tissue. Certain antiretroviral ARV drugs can cross the blood-brain barrier and may help stop or slow HIV damage to the brain.