Nervous System

1234567891011121314151617181920
Across
  1. 4. nerve networks formed from merging of anterior rami with one or more adjacent anterior rami
  2. 6. transmits impulses to skeletal muscle
  3. 7. fine filament of connective tissue that extends from conus medullaris
  4. 9. thin, intermediate layer surrounding brain and spinal cord
  5. 15. innervates organs and conveys visceral efferent and afferent fibers to and from organs of the body cavities
  6. 17. saw tooth like fibrous sheets of pia
  7. 18. outer layer of dura mater formed by periosteum covering internal surface of calvaria
  8. 19. in or on wall of target organ
  9. 20. delicate, internal layer surrounding brain and spinal cord
Down
  1. 1. contains cell bodies of sensory neurons
  2. 2. tapered inferior end of spinal cord located at L1/L2 vertebral level
  3. 3. bundle of nerve roots of spinal nerves caudal to L2 vertebra
  4. 5. enlargement of the subarachnoid space in the dural sac caudal to conus medullaris
  5. 8. dural infolding between the cerebral hemispheres
  6. 10. partial partitions of dura between parts of the brain providing support
  7. 11. tough, thick, external fibrous layer surrounding brain and spinal cord
  8. 12. dural infolding between the hemispheres of the cerebellum
  9. 13. dural infolding superior to the cerebellum
  10. 14. includes sympathetic and parasympathetic divisions
  11. 16. inner layer of dura mater, strong fibrous membrane continuous at the foramen magnum with dura mater covering spinal cord