Disease

Question 1

Multiple Sclerosis

Answer 1

Autoimmune disease of CNS (brain and spinal cord)
Immune system mistakenly attacks the myelin sheath produced by oligodendrocytes
Remyelinate and unmyelined area shifts
Symptoms: Vision, tactile, balance, speech
2x as prevalence in woman than in men
Susceptible genetic factors

Question 2

Guillain-Barre Syndrome

Answer 2

Antibodies attack PNS myelin (Schwann cells)
Symptoms: Paresthesia (pins and needles), paralysis (loss of muscle function/movement, usually progresses from bottom up), loss of sensation
More servere but can recover

Question 3

Brown-Sequard Syndrome

Answer 3

Damage to