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10.4 Neurology

Diseases and Conditions of the Nervous System

hydrocephalus abnormal accumulation of fluid (csf) in the brain
spina bifida congenital defects in the lumber spinal column caused by imperfect union of vertebral parts (neural tube defect).
Alzheimer disease brain disorder marked by gradual and progressive mental deterioration (dementia) with personality changes and impairment of daily functioning.
amyotrophic lateral schlerosis (ALS) Degenerative disorder of motor neurons on the spinal cord and brainstem. Also known as Lou Gehrig's disease.
epilepsy Chronic brain disorder characterized by recurrent seizure activity.Convulsions are preceded by an aura, which is a peculiar sensation before the onset of seizure.
Huntington disease hereditary disorder marked by degenerative changes in the cerebrum leading to abrupt involuntary movements and mental deterioration.
multiple sclerosis destruction of the mylin sheath on neurons in the cns and its replacement by plagues of sclerotic (hard) tissue.
myasthenia gravis (mg) A chronic autoimmune neuromuscular disorder characterized by weakness (-asthenia) of voluntary muscles (attached to bones).
palsy paralysis (partial or complete loss of motor function).
parkinson disease (parkinsonism) degeneration of neurons in the basal ganglia, occurring in later life and leading to tremor, weakness of muscles, and slowness of movement.
tourette syndrome involuntary, spasmodic, twitching movements, uncontrollable vocal sounds; and inapropriate words.
herpes zoster (shingles) viral infection affecting peripheral nerves.
meningitis inflammation of the meninges; leptomeningitis.
human immunodeficiency virus (HIV) encephalopathy Brain disease and dementia occurring with AIDS.
brain tumor abnormal growth of brain tissue and meninges.
cerebal concussion temporary brain dysfunction (brief loss of consciousness) after injury usually clearing within 24 hours.
cerebal contusion bruising of brain tissue as a result of direct trauma to the head; neurologic deficits persist longer then 24 hours.
cerebrovascular accident Disruption in the normal blood supply to the brain; stroke.
Created by: vikingmedterm