How does waste leave the brain? (Links to an external site)

Researchers at Washington University School of Medicine in St. Louis have discovered an anatomical brain structure (in green) that allows fluid waste to leave the brain. In neuroinflammatory conditions in mice, immune cells use these routes to enter the brain.

Professor Krikor Dikranian and Assistant Professor Peter Bayguinov among authors of new study in Nature describing a route that serves as a passageway to clear fluid waste from brain.