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How Meningitis Damages The Brain

Damage due to meningitis occurs from a variety of phenomena. The action of infectious agents on the brain tissue is one direct cause of damage. Other types of damage may be due to mechanical effects of swelling of brain tissue, and compression against the bony surface of the skull. Swelling of the meninges may interfere with the normal absorption of CSF by blood vessels, causing accumulation of CSF and damage due to resulting pressure on the brain. Interference with the brain's carefully regulated chemical environment may cause damaging amounts of normally present substances (carbon dioxide, potassium) to accumulate. Inflammation may cause the blood-brain barrier to become less effective at preventing the passage of toxic substances into brain tissue.

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Science EncyclopediaScience & Philosophy: Mathematics to Methanal trimerMeningitis - Anatomical Considerations, Infectious Causes Of Meningitis, How The Infectious Agents Of Meningitis Gain Access To The Meninges