Intervertebral Discs

Intervertebral discs are hydraulic structures with an annulus fibrosus surrounding a nucleus pulposus. Discs rehydrate at night through imbibition when compressive load is reduced. Adult intervertebral discs depend on fluid exchange rather…

1 sources - 4 claims

Intervertebral discs are hydraulic structures with an annulus fibrosus surrounding a nucleus pulposus. Discs rehydrate at night through imbibition when compressive load is reduced. Adult intervertebral discs depend on fluid exchange rather than direct blood supply for nutrition. Disruption of sleep-position mechanics can accelerate disc degradation.