Nervous System Pathology - BIO 181 Nervous System Disorders...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
BIO 181 Nervous System Disorders Alzheimer’s disease : loss of memory, judgement, loss of neurons in frontal and temporal lobes due to neurofibrillary plaques and tangles blocking synaptic transmission Epilepsy : seizures, due to uncontrolled activity in cerebral cortex Multiple sclerosis : myelin in white matter of spine and brain is attacked by immune system, loss of sensation and motor control; no cure Polio : virus attacks CNS motor neurons, causing muscular paralysis; must be vaccinated Sciatica : pain, numbness along sciatic nerve due to compression of roots by lumbar vertebrae (slipped disc) Shingles : herpes zoster virus attacks dorsal roots, painful rash; temporary Parkinson’s disease : decrease in dopamine cause muscle rigidity and tremors, L-DOPA used to reduce symptoms Meningitis : infection of the meninges by bacteria or virus; disrupts flow of CSF; headache, chills fever; must be immunized ALS (Lou Gerhig’s disease): motor neurons are destroyed, lose muscular control, sensory remain OK
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Nervous System Pathology - BIO 181 Nervous System Disorders...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online