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blood-brain barrier Definition

blood·-brain· barrier (blud′brān′)

noun

Physiol. the barrier created by the walls of the capillaries of the brain that prevents certain substances, as most proteins and drugs, from passing from the blood into the brain tissue and cerebrospinal fluid

blood-brain barrier Usage Examples

Converse of object

  • cross: Elan researchers have recently shown for the first time that certain monoclonal antibodies can cross the blood-brain barrier.