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AP MOD. I-Neuro
The Nervous System
| Term | Definition |
|---|---|
| central nervous system | (CNS)-brain and spinal cord |
| peripheral nervous system | (PNS)-all nerves |
| autonomic nervous system | (ANS)-regulates involuntary actions |
| sensory neurons | afferent neurons-conduct impulses to the spinal cord and brain |
| motor neurons | efferent neurons-conduct impulses away from brain and spinal cord |
| interneurons | conduct impulses from sensory neurons to motor neurons |
| multiple sclerosis | a myelin disorder of CNS |
| neuroma | tumor of the nervous system |
| concussion | brain injury caused by jolt to head |
| cerebrovascular accident | (CVA)-"stroke"-hemorrhage |
| cerebral palsy | (CP)-paralysis caused by motor control are of brain befoer, during, or shortly after birth |
| dementia | syndrome that includes memory loss, personality changes, reduced intellectual capacity |
| Alzheimer disease | brain disorder of adulthood characterized by dementia |
| Huntington disease | inherited disorder that progresses to severe dementia |
| seizure | sudden burst of abnormal neuron activity that results in temporary changes in brain function |
| epilepsy | characterized by recurring seizures |
| neuritis | general term referring to nerve inflammation |
| trigeminal neuralgia | recurring episodes of stabbing pain |
| Bell palsy | paralysis of facial features resulting from damage to facial nerves |
| shingles | herpes zoster-viral infection caused by chickenpox virus producing characteristic painful plaques |
| neuroblastoma | malignant tumor of the sypathetic nervous system in young children |