Class #12 - CNS

Question 1

Brain layers?

Answer 1

Scalp-skull-dura matter-Arachnioid matter-Pie matter-Cortex

Question 2

CSF production where?

Answer 2

Choroid plexus of each ventricle

Question 3

CSF absorption?

Answer 3

Via the arachnoid villus

Question 4

2 categories of cell?

Answer 4

1-Neurons
2-Glial cells: 
2.1 Oligodendrocytes: myelin
2.2 Astrocytes: Caretaking
2.3 Microglial-macrophage:

Question 5

Infections of cns categories?

Answer 5

1. Bacterial: Purulent meningitis, abcess, neurosyphilis
2. Viral: Herpes, HIV, aseptic meningitis
3. Parasite: Cerebral malaria
4. Prion: Spongiform encephalopathies: Human=>Creutfeldt-Jacob; GSS, Kuru. Non-Human=>Mad cow