How ‘skull drains’ keep the brain safe from damage and pathogens
Nature
by Felicity NelsonFebruary 19, 2026
Veins in the skull can rearrange their borders to accommodate patrolling immune cells, a strange behaviour called ruffling. Veins in the skull can rearrange their borders to accommodate patrolling immune cells, a strange behaviour called ruffling.
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scienceresearch
Originally published on Nature on 2/19/2026