脑血管屏障 nǎoxuèguǎnpíngzhàng blood-brain barrier Origin Definitions Defs Strokes Stroke Words Sentences Sents 脑血管 腦血管 nǎoxuèguǎn cerebrovascular blood vessel of the brain屏障 píngzhàng noun barrier A protective screen or barrier, such as a mountain range or a physical divider, used for shielding or protection.