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1NervousSystem&Sense
Red Book Chpt. 9 & 10
| Question | Answer |
|---|---|
| axons | nerve cell process that transmits impulses away from the cell body |
| dendrites | branching or treelike; nerve cell process that transmit impulses toward the body |
| oligodendrocrytes | a cell that holds nerve fibers together & produces the myelin sheath around the axons in the CNS |
| Multiple Sclerosis (MS) | the most common primary disease of the CNS; a myelin diorder |
| neurons | nerve cell, including its processes (axon & dendrites) |
| epineurium | a tough fibrous sheath that covers the whole nerve |
| two-neuron pathway | reflex arch (sensory & motor neurons) |
| medulla oblongata | the lowest part of the brain-stem; an enlarged extension of the spinal cord; the vital centers are located within this area |
| hypothalamus | portion of the floor & lateral wall of the 3rd ventricle of the brain |
| thalamus | located just above the hypothalamus; its functions are to help produces sensations, associated with emotions & play a part in the arousal mechanism |
| dura mater | literally 'strong or hard mother';outermost layer of meninges |
| pia mater | the vascular innermost covering (meninx) of the brain & spinal cord |
| arachnoid mater | delicate, weblike middle membrane covering the brain, the meninges |
| neurolemma | nerve sheath |
| Parkinson Disease | chronic disorder of the nervous system, results from deficiency of the neurotransmitter dopamine; muscle rigidity, trembling of head & extremities, forward tilt of the body & walking in a shuffling manner of walking |
Created by:
BWilliams9190
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