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Chapt.11 Key Terms
Diseases of the Nervous System
Term | Definition |
---|---|
Alzheimer's disease | progressive mental deterioration that can occur in middle or old age, due to generalized degeneration of the brain |
autonomic nervous system | the part of the nervous system responsible for control of the bodily functions not consciously directed such as breathing |
central nervous system (CNS) | the complex of nerve tissues that controls the activities of the body. In vertebrates it comprises the brain and spinal cord. |
cerebral palsy | a condition marked by impaired muscle coordination (spastic paralysis) and/or other disabilities, |
encephalitis | inflammation of the brain, caused by infection or an allergic reaction. |
encephalomyelitis | inflammation of the brain and spinal cord, typically due to acute viral infection. |
epilepsy | a neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions |
grand mal | a serious form of epilepsy with muscle spasms and prolonged loss of consciousness. |
hemiparesis | another term for hemiplegia. |
hemiplegia | paralysis of one side of the body. |
meningitis | inflammation of the meninges caused by viral or bacterial infection and marked by intense headache and fever, sensitivity to light, |
multiple sclerosis | a chronic, typically progressive disease involving damage to the sheaths of nerve cells in the brain and spinal cord |
myelitis | inflammation of the spinal cord. |
nervous system | the network of nerve cells and fibers that transmits nerve impulses between parts of the body. |
Parkinson's disease | a progressive disease of the nervous system marked by tremor, muscular rigidity, and slow, imprecise movement, chiefly affecting middle-aged and elderly people |
peripheral nervous system (PNS) | the nervous system outside the brain and spinal cord. |
petit mal | a mild form of epilepsy characterized by brief spells of unconsciousness without loss of posture. |