血けつ液えき脳のう関かん門もんMeaningsNoun1. blood-brain barrierKanji used血blood液fluid脳brain関connected to門gatePitch accentけつえきのうかんもんComposed of血けつ液えきbloodNoun脳のうbrain; brains; mindNoun関かん門もんbarrier; checkpoint; gateway; hurdle; obstacle; trialNoun