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Chapter 10
Chapter 10 Pathologic Conditions
Question | Answer |
---|---|
hydrocephalus | abnormal accumulation of fluid in the brain |
spina bifida | congenital defects in the lumbar spinal column caused by imperfect union of vertebral parts |
Alzheimer disease | brain disorder marked by gradual and progressive mental deterioration with personality changes and impairment of daily functioning |
amyotrophic lateral sclerosis | degenerative disorder of motor neurons in the spinal cord and brainstem |
epilepsy | chronic brain disorder characterized by recurrent seizure activity |
multiple sclerosis | destruction of the myelin sheath on neurons in the CNS and its replacement by plaques of sclerotic tissure |
palsy | paralysis |
Parkinson disease | degeneration of neurons in the basal ganglia, occurring in later life and leading to tremors, weakness of muscles and slowness of movement |
herpes zoster | viral infection affecting peripheral nerves |
meningitis | inflammation of the meninges |
brain tumor | abnormal growht of brain tissue and meninges |
cerbral concussion | temporary brain dysfunction after injury |
cerebral contusion | bruising of brain tissue as a result of direct trauma to the head |
cerebrovascular accident (CVA) | Disruption in the normal blood supply to the brain;stroke |
Thrombotic | blood clot in the arteries leading to the brain, resulting in occlusion of the vessel. |
Embolic | an embolus travels to cerebral arteries and occludes a small vessel. |
Hemorrhagic | a blood vessel, such as the cerebral artery, breaks and bleeding occurs |