Intervertebral Disc: Nucleus Pulposus Flashcards
1
Q
What is the water concentration in the lumbar nucleus pulposus at birth and after thirty?
A
birth…88%; thirty…70%
2
Q
What is the consequence of non-aggregated glycosaminoglycans in the lumbar nucleus pulposus?
A
the nucleus pulposus will lose water under deformation conditions
3
Q
What cell is associated with the nucleus pulposus until about age eleven?
A
notochord cells
4
Q
Which type of collagen is dominant in the nucleus pulposus?
A
collagen type 2
5
Q
What is the organizational pattern of collagen fibers in the nucleus pulposus?
A
they are irregularly oriented and randomly scattered
