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kinn's Chapter 44
| Term | Definition |
|---|---|
| anomalies | Deformities or deviations from a normal condition, resulting from faulty development of a fetus. |
| ataxia | Failure or irregularity of muscle actions and coordination. |
| aura | A peculiar sensation that precedes the appearance of a more definite disturbance. |
| benign | Not cancerous and not recurring. |
| blood-brain barrier | An anatomic-physiologic structure made up of astrocyte glial cells that prevents or slows the transfer of chemicals into the neurons of the CNS. |
| coma | An unconscious state from which the patient cannot be aroused. |
| compression | The state of being pressed together. |
| contralateral | Pertaining to the opposite side of the body. |
| cryptogenic | Pertaining to a disease with an unknown cause. |
| embolus | A foreign material that blocks a blood vessel; frequently a blood clot that has traveled from some other part of the body. |
| ipsilateral | Pertaining to the same side of the body. |
| malignant | Cancerous. |
| myelin sheath | A segmented, fatty tissue that wraps around the axon of the nerve cell and acts as an electrical insulator to speed the conduction of nerve impulses. |
| occlusion | Complete obstruction of an opening. |
| papilledema | Swelling of the optic disc from increased intracranial pressure. |
| paresthesia | An abnormal sensation of burning, prickling, or stinging. |
| paroxysmal | Pertaining to a sudden, recurrent spasm of symptoms. |
| plaque | An abnormal accumulation of a fatty substance. |
| proprioception | The sensation of awareness of body movements and posture; nerve impulses that provide the central nervous system with information about the position of body parts. |
| radiopaque | A substance that can easily be visualized on an x-ray film. |
| thrombus | A blood clot. |
| transection | Cross-section; a division made by cutting across. |
| turbid | Refers to a cloudy solution. |