Secret Tunnels in the Skull Help Immune Cells Rush to the Rescue | Technology Networks
— Read on www.technologynetworks.com/neuroscience/news/secret-tunnels-in-the-skull-help-immune-cells-rush-to-the-rescue-308133

Wow! This is fascinating, tiny tunnels from the skull into the brain help immune cells get to the brain from the bone marrow when there is a brain injury!

First the brain lymphatic system and now tiny tunnels, the brain certainly is immunologically very well connected!