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Exit through the lymphatic system

Exit through the lymphatic system

Cerebrospinal fluid exits the brain along cranial nerves (shown here in yellow), such as the optic and olfactory nerves, to reach the lymphatic system. (Visualisation: Springer Medizin / Science Photo Library)

ETH scientists have disproved a decades-old orthodoxy: cerebrospinal fluid does not leave the cranial cavity via blood vessels, but instead through the lymphatic system.
ETH News