Arthology of the Vertebral Column/ Intervertebral Disc: Intro Flashcards Preview

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Flashcards in Arthology of the Vertebral Column/ Intervertebral Disc: Intro Deck (12)
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1
Q

maximum number of common ligaments indentified with a vertebral couple

A

8

2
Q

what is the reason that 9 common ligaments are identified but only 8 will be attache at any specific vertebral couple

A

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

3
Q

common ligaments that will attach to the vertebral body

A

anterior longitudinal ligament, intervertebral disc and posterior longitudinal ligament

4
Q

common ligament that will attach to the vertebral arch

A

ligamentum flavum

5
Q

of true intervertebral discs ID in adults

A

23

6
Q

vertebral levels that will demonstrate a true intervertebral disc in adults

A

between C2 and S1 inclusive

7
Q

% of intervertebral disc height contribution to the length of each region of the vertebral column

A

cervical 22-25%
thoracic 20%
lumbar 33%

8
Q

intervertebral disc histological composition

A

cells, collagen fibers, hydrated proteoglycan gel

9
Q

names of the central, peripheral, and horizontal zones of the intervertebral disc

A

nucleus pulposus- central zone
annulus fibrosis- peripheral zone
cartilaginous end plate- horizontal zone

10
Q

name of the growth zone of the intervertebral disc

A

transitional zone

11
Q

maintains the heigh of the cervical intervertebral disc

A

uncinate process

12
Q

effect of aging on the intervertebral disc nucleus pulposus

A

becomes more fibrous as water and proteoglycan concentrations diminish