IVD functions Flashcards
1
Q
How does the intervertebral disc act as a ligament?
A
collagen fibers from the intervertebral disc annulus fibrosus penetrate the epiphyseal rims of adjacent vertebral bodies similar to the way ligaments in general attach to bone
2
Q
What traditionally either replaces or supports the posterior annulus fibrosus?
A
the posterior longitudinal ligament
3
Q
What is the incidence of herniation of the intervertebral disc in the thoracic spine?
A
from 0.2 to 0.5%