Newly found 'immune organ' inside skull directs brain defense

medicalxpress - Researchers at Washington University School of Medicine in St. Louis have discovered lymph node-like structures in the skull bone marrow of mice for the first time and demonstrated that they act as rapid first responders against brain cancer before distan…

AI Summary: Scientists discovered organized immune cell hubs within the skull that communicate directly with the brain, revealing a previously overlooked pathway for neuroimmune surveillance. The structures appear to coordinate responses to infection and injury, offering fresh targets for neurological disease therapies and a neat explanation for why the brain sometimes seems to have its own security detail.