Exit through the lymphatic system

Exit through the lymphatic system

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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