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 loose 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 II
5
Q
what is the organizational pattern for collagen fibers in the nucleus pulposus?
A
they are irregularly oriented and randomly scattered
