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Brain and Spinal Cord
Central Nervous System (CNS) 2 Structures
Peripheral Nervous System
Meninges
Dura, arachnoid, pia mater
Subarachnoid Space
- Covering that protects the brain and spinal cord
- What are its 3 layers?
- Which space contains the cerebrospinal fluid?
Blood-Brain barrier
- The group of capillaries that permit some substances to pass from the blood to the brain but restrict others
Meningitis
- Inflammation of the meninges
Encephalitis
- Inflammation of the brain
Meningoencephalitis
- Inflammation of the meninges and brain
Bacterial Meningitis
Viral meningitis
GENERALLY SPEAKING
Symptoms: Fever, headache, stiff neck; followed by nausea and vomiting; may progress to convulsions and coma; death from shock and inflammation
Cause: Endotoxin and cell wall release
Comparatively, __________________ is more common and mild
- Sample CSF via spinal tap or lumbar puncture
- Latex agglutination tests
- Chemotherapy initiated before diagnosis
3 Ways to Diagnose/Treat Bacterial Meningitis
Cannot withstand storage
Changes in temperature
2 Reasons why Pathogens in CSF do not survive long?
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