Final intervertebral disc introduction Flashcards Preview

Spinal Anatomy Summer 2015 > Final intervertebral disc introduction > Flashcards

Flashcards in Final intervertebral disc introduction Deck (8)
1

in the adult which vertebral levels will demonstrate a true intervertebral disc

those between C2 and S1 inclusive

2

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

Cervical 22-25%
thoracic 20%
lumbar 33%

3

what is the intervertebral disc histology composed of

cells, collagen fibers, and a hydrated proteoglycan gel

4

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

nucleaus pulposus...central zones;
annulus fibrosus...peripheral zone;
cartilaginous end plate...horizontal zone

5

what is the name of the growth zone of the intervertebral disc

transition zone

6

what maintains the height of the cervical intervertebral disc

the unicinate processes

7

what is the effect of aging on the intervertebral disc nucleus pulposus

it becomes more fibrous as water and proteoglycan concentrations diminish

8

what is the number of true intervertebral discs identified in the adult

23

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