spinal cord

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Across
  1. 5. The varicella-zoster virus causes ___________ and is kept in check by the immune system
  2. 6. The _________ plexus in the lower back supply the abdominal wall and genitalia
  3. 11. Neurons in _______tracts travel from gray matter to thalamus to destinations in the sensory region of cerebral cortex.
  4. 12. Reflexes include ______________ and contraction of cardiac, skeletal, and smooth muscle
  5. 15. The flexor (withdrawal) reflex triggers contraction of the flexors and relaxation of the extensors in that limb uses an _______________ reflex arc.
  6. 18. The most serious permanent effect of spinal cord trauma is ______________
  7. 19. Some ___________ reflexes are mediated primarily through the brainstem and cerebellum
  8. 20. The ________ plexus is associated with sciatica.
  9. 22. Dermatomes overlap their edges by ______%
  10. 23. Historically, _____ affected many children who contacted the virus from swimming
Down
  1. 1. The crossed extension reflex uses a _______________ reflex arc.
  2. 2. Below L2, the vertebral canal is occupied by a bundle of spinal nerves roots called ________________
  3. 3. travels down the sensory nerves by fast axonal transport when immune system is compromised
  4. 4. A spinal nerve branches into an anterior __________ to form five nerve plexuses
  5. 7. tracts carry motor signals from cerebral cortex to lower motor neurons axons that lead to muscle
  6. 8. The _____ horn contains neurons of sympathetic nervous system, which send their axons out of the cord by way of anterior root along with the somatic efferent nerves.
  7. 9. The _____________ ganglion contains the somas of neurons that carry sensory signals to the spinal cord.
  8. 10. The _____________ nerves arise from the cervical plexus and innervate the diaphragm
  9. 13. Amyotrophic lateral sclerosis (ALS) or Lou Gehrig is caused by the accumulation of
  10. 14. The anterior and posterior horns of the spinal cord are composed of ______ matter
  11. 16. The median nerve is associated with the _____________ plexus
  12. 17. A woman can reduce the risk of Spina bifida by taking ______
  13. 21. Crutch paralysis is seen in injury of the ___________ nerve