blood brain barrier definition
Blood-Brain Barrier Disruption Therapy. A protective barrier lines your brain's blood vessels to keep substances from going easily from your bloodstream into brain tissue.This is called the blood-brain barrier. Because this barrier exists, medical therapy (chemotherapy) drugs must be given a certain way to treat brain tumors effectively.Blood-brain barrier disruption therapy (BBBD) is an intensive, effective way of sending medication to brain tumors. The BBBD treatment allows medication to pass through the protective barrier.lood-Brain Barrier Disruption Therapy. A protective barrier lines your brain's blood vessels to keep substances from going easily from your bloodstream into brain tissue.