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