Arthrology of the Vertebral Column

Question 1

What is the maximum number of common ligaments identified with a vertebral couple?

Answer 1

eight

Question 2

What is the reason that nine common ligaments are identified but only eight will be attached at any specific vertebral couple?

Answer 2

the ligamentum nuchae and supraspinous ligaments attach to the spinous tubercles, but only one of these will be identified at a single vertebral couple

Question 3

What is the number of true intervertebral discs identified in the adult?

Answer 3

twenty-three

Question 4

In the adult, which vertebral levels will demonstrate a true intervertebral disc?

Answer 4

those between C2 and S1 inclusive

Question 5

What is the percent of intervertebral disc height contribution to the length of each region of the vertebral column?

Answer 5

cervical 22-25%, thoracic 20%, lumbar 33%

Question 6

What are the names of the central, peripheral, and horizontal zones of the intervertebral disc?

Answer 6

nucleus pulposus, central zone; annulus fibrosis, peripheral zone; cartilaginous end plate, horizontal zone