Anatomy Chapter 13

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LaizyDaizy79
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64558
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Anatomy Chapter 13
Updated:
2011-04-11 22:45:40
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Human Anatomy
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Spine & Ribs
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  1. How many bones make up the vertebral column?
    26
  2. How many true (moveable) vertebrae are there?
    24
  3. How many total vertebrae are there?
    33
  4. How many regions are there in the vertebral column?
    5
  5. From superior to inferior list the five regions and how many vertebrae are in each.
    cervical (7), thoracic (12), lumbar (5), sacral (5), & coccygeal (4)
  6. From superior to inferior list the four curvatures of the spine as seen in a lateral view.
    cervical, thoracic, lumbar, & sacral
  7. What curves develop in the womb? Give the collective and individual names.
    • thoracic & sacral
    • primary
  8. What curves develop after birth? Give the collective and individual names.
    • cervical and lumbar
    • secondary
  9. What is the anterior, cylindrical weight-bearing portion of a vertebra?
    body
  10. What two lateral structures of a vertebra form the pillars of the passageway for the spinal cord?
    pedicles
  11. On a vertebra what structures extend from the lateral pillars to the midline?
    laminae
  12. Together the posteriorly projecting pillars and the extensions to the midline form what structure?
    vertebral arch
  13. Together the posteriorly projecting pillars and the extensions to the midline form what passageway within a vertebra?
    vertebral foramen
  14. The vertebrae form what collective passageway for the spinal cord?
    vertebral canal
  15. Adjacent vertebrae form what passageways for spinal nerves?
    invertebral foramina
  16. What posteriorly projecting structures of the vertebrae can be palpated?
    spinous process
  17. What lateral projections occur on each vertebra?
    transverse processes
  18. What processes of a vertebra form synovial joints with the vertebrae immediately superior and inferior it?
    superior & inferior articular processes
  19. What smooht, flat, articular surfaces occur on a vertebra?
    articular facet
  20. What are the pads of fibrocartilage between vertebrae?
    invertebral discs
  21. What is the outer ring of fibrocartilage within an intervertebral disc?
    anulus fibrosis
  22. What is the inner, circular regions of an intervertebral disc?
    nucleus pulposes
  23. What is the relative size of the cervical vertebrae?
    small
  24. What is the shape of the spinous processes of C1-C6?
    bifid
  25. What openings in the cervical vertebrae allow the passage of the verterbral arteries and veins?
    transverse foramina
  26. What is another term for C1?
    atlas
  27. What structures does C1 lack?
    body & spinous process
  28. What is another anatomical term for C2?
    axis
  29. During development the body of C1 ffuses to C3 to form what structure?
    dens (odointoid process)
  30. What is another anatomical term for the spinous process of C7?
    vertebra prominens
  31. What is the general shape of the bodies of T1-T12?
    heart-shaped
  32. Thoracic vertebrae can be distinguished from all other vertebrae by what features?
    costal facets
  33. What is the general shape of the bodies of the lumbar vertebrae?
    large, round, oval
  34. What is teh characteristic of the spinous processes of the lumbar vertebrae?
    thick & blunt posteriorly
  35. What is the anatomical term for the atnerior, superior bulge of the sacrum?
    sacral promontory
  36. What paired openings occur on the anterior surface of the sacrum?
    anterior sacral foramina
  37. The spinous processes of the sacrum form what structure?
    median saceral crest
  38. What are the paired openings on the posterior side of the sacrum?
    posterior sacral foramina
  39. What lateral structures of the sacrum articulate with the ossa coxae?
    auricular surface
  40. What is the anatomical term for the tailbone?
    coccyx
  41. What sturctures make up the thoracic cage?
    thorax, ribs, & sternum
  42. What is the anatomical term for the breastbone?
    sternum
  43. What are the three main parts of the sternum?
    manubrium, clavicular notches, & xiphoid process
  44. What are the depressions on the sternum for the articulation of the clavicles?
    clavicular notches
  45. What is the shallow, superior depression on the sternum?
    suprasternal notch
  46. What depressions on the sternum do the ribs articulate with?
    costal notches
  47. What palpable feature lies at the articulation of the manubrium and the body of the sternum?
    sternal angle
  48. How many ribs are ther?
    12 pairs
  49. What ribs have their costal cartilages directly articulated with the sternum? What are their numbers?
    true ribs (1-7)
  50. What ribds do not have their costal cartilages directly articulated with the sternum? What are their numbers?
    false ribs (8-12)
  51. What type of rib has no connection with the sternum? What are their numbers?
    floating ribs (11-12)
  52. What part of a rub articualtes with the body (bodies) of a vertebra(e)?
    head
  53. What part of a rib articualtes with the transverse process of a vertebra?
    tubercle
  54. What part of a rib lies between the head and tubercle?
    neck
  55. Ribs project posterolaterally from the vertebral column. What is the region of a rib where it chagnes if direction and begins curving toward the sternum?
    angle
  56. What is the main part of a rib?
    body
  57. What feature on the inferior side of a rib marks the path of a rib marks the path of an artery, a vein, and a nerve?
    costal groove

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