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Nervous System
The Nervous System
| Question | Answer |
|---|---|
| anesthesia | without feeling or sensation |
| aneurysm | A localized dilatation in the wall of an artery that expands with each pulsation of the artery |
| brain stem | The stemlike portion of the brain that connects the cerebral hemisphere with the spinal cord. |
| burr hole | A hole drilled into the skull using a form of drill. |
| cerebellum | The part of the brain responsible for coordinating voluntary muscular movement; located behind the brain stem. |
| cerebral contusion | Small scattered venous hemorrhages in the brain |
| cerebrospinal fluid | The fluid flowing through the brain and around the spinal cord that protects them from physical blow or impact |
| coma | A deep sleep in which the individual cannot be aroused and does not respond to external stimuli. |
| craniotomy | A surgical incision into the cranium or skull. |
| deficit | Any deficiency or variation of the normal |
| dysphasia | Difficult speech |
| hemiplegia | Paralysis of one half of the body |
| herpes zoster | An acute infection caused by the same virus that causes chickenpox, characterized by painful vesicular lesions along the path of a spinal nerve; also called shingles. |
| hyperesthesia | Excessive sensitivity to sensory stimuli, such as pain or touch. |
| interneurons | Connecting neurons that conduct impulses from afferent nerves to or toward motor nerves. |
| lethargy | A state of being slugish |
| medulla oblongata | One of the three parts of the brain stem. |
| meninges | The three layers of protective membranes that surround the brain and spinal chord. |
| narcolepsy | Uncontrolled, sudden attacks of sleep. |
| occlusion | Blockage |
| paresthesia | A sensation of numbness or tingling. |
| phagocytosis | The process by which certain cells engulf and destroy microorganisms and cellular debris. |
| sciatica | Inflammation of the sciatic nerve. |
| Afferent Nerves | carries impulses from the body to the Central Nervous System |