Exam 4 Crossword

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Across
  1. 1. insulating layer around axon; made by oligodendrocytes and schwann cells; phospholipid;
  2. 2. bundle of fasicles
  3. 5. electrical impulse jumps from node to node
  4. 6. antidepressant
  5. 8. bundle of myelinated and unmyelinated nerve fibers
  6. 11. treatment of alzheimer's if you have low ACh
  7. 13. unipolar and enter the spinal cord thru the posterior root
  8. 14. nervous system of rest and digest
  9. 15. receptors on dendrites that respond to NT
  10. 20. skeletal muscle excitation; parasympathetic NS
  11. 21. one nerve fiber synapses with several postsynaptic cells
  12. 22. autoimmune disease of myelin degeneration that leads to muscle weakness/tingling feeling
  13. 24. inhibits reuptake of serotonin
  14. 25. Na+ (in) ion channel
  15. 26. dreaming, wakefulness, and mood; sympathetic NS
Down
  1. 1. enzyme that breaks down norepinephrine
  2. 3. acts like dopamine to inhibit muscle tremors of Parkinsons
  3. 4. enzyme that breaks down ACh
  4. 7. produced in brain by ependymal cells and circulated in subarachnoid space
  5. 9. conduction speed of large myelinated neurons
  6. 10. conduction speed of small unmyleinated neurons
  7. 12. nervou system of fight or flight response; activated by norepinephrine
  8. 15. releases neurotransmitter and is located on the axon terminal
  9. 16. functions to effect mood
  10. 17. spaces between myelin sheath
  11. 18. info from several cells influence one neuron
  12. 19. outer CT covering of PNS neurons
  13. 22. multipolar and exit the spinal cord thru the anterior root
  14. 23. Cl- (in) and K+ (out) ion channels