BIOL 223 Chapter 13-1

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Author:
christophertkennedy
ID:
118319
Filename:
BIOL 223 Chapter 13-1
Updated:
2011-11-21 12:13:44
Tags:
anatomy physiology spinal cord
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Study Cards for Chapter 13 BIOL 223 CSN
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  1. List the layers that comprise the spinal meninges.
    • dura mater
    • arachnoid mater
    • pia mater
  2. The epidural space is located between the:
    vertebrae and the dura mater
  3. Where is the subdural space located?
    between the dura mater and the arachnoid mater
  4. What is found in the subarachnoid space?
    cerebrospinal fluid
  5. What anchors the spinal cord in place laterally?
    denticulate ligaments
  6. How many segments does the spinal cord contain?
    31
  7. The spinal cord extends from the foramen magnum to which vertebrae?
    L2
  8. What is the purpose of the filum terminale?
    holds spinal cord in place vertically by attaching to the coccyx
  9. How many pairs of spinal nerves are there?
    31
  10. The cervical vertebrae have how many spinal nerves?
    8
  11. The thoracic vertebrae have how many spinal nerves?
    12
  12. The lumbar and sacral vertebrae each have _______ pairs of spinal nerves.
    five
  13. The nerves of the fingers and arms can be found in the _______ enlargement.
    cervical
  14. The lumbar enlargement contains the nerves that control the:
    lower body
  15. The narrow area between the two enlargements controls the:
    torso
  16. How is the gray and white matter arranged in the spinal cord?
    white on the outside, gray on the inside
  17. White matter of the spinal cord is arranged in:
    columns
  18. The columns of white matter in the spinal cord are also called:
    funiculus
  19. Gray matter on the inside of the spinal cord is shaped like a _______ and arranged into _______.
    butterfly, horns
  20. What is the purpose of the sensory nuclei in the spinal cord gray matter?
    transmit information from receptors to the brain
  21. What is the purpose of the motor nuclei in the spinal cord gray matter?
    transmit information from the brain (CNS) to effectors
  22. The sensory and motor nuclei of the spinal cord are each divided into two segments named:
    • somatic
    • visceral
  23. What type of neurons travel through the dorsal root?
    sensory neurons
  24. What type of neurons travel through the ventral root?
    motor neurons
  25. The dorsal root and the ventral root will merge to form:
    the spinal nerve
  26. What structure is within the dorsal ganglion?
    cell bodies of unipolar sensory neurons
  27. What information is carried in the ascending nerve tracts of spinal cord white matter?
    sensory information
  28. What information is carried in the descending nerve tracts of spinal cord white matter?
    motor commands
  29. True or False: A fasciculus will contain multiple funiculi.
    False - a funiculi (white matter column) will contain mulitple fasciculi (nerve tracts)
  30. Why is there no ventral ganglion?
    motor neurons are multipolar in shape

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