Neuro Quiz 4 Part 1

  1. Shape of spinal cord
    Elongated and slightly flattened cylinder
  2. What is the spinal cord continuous with?
    Medulla oblongata
  3. Where does the spinal cord originate
    Caudal to the pyramidal decussation
  4. Where does the spinal cord end?
    T12- L3
  5. Sulci/fissure of spinal cord
    Sulci and ventral median fissure continuous from medulla oblongata
  6. Base of spinal cord
    • Cone shaped: conus medularis
    • Terminates with filum terminale
  7. SC gray/white matter
    • Gray matter: inside
    • White matter outside
  8. The white matter of each half of the spinal cord is divided into _______________ by the more centrally located gray matter
    3 funiciuli (ventral, dorsal, lateral)
  9. each funiculus is composed of fibrosis tracts known as __________
  10. propriospinal fasculi
    • contains ascending and descending fibers
    • doesn’t leave SC
    • has to do with reflexes
  11. how are fasculi named
    • place of origin to place of destination
    • contain ascending or descending info (not both)
  12. anterior white commissure
    • fibers interconnecting the two halves of the SC
    • located ant to central canal and gray commissure
  13. where is the intermedial lateral column located
    • T1- L2
    • Deal with autonomic NS
  14. The volume of white matter ___________ as one ascends the neuroaxis
Card Set
Neuro Quiz 4 Part 1
Neuro Quiz 4 Part 1