Lumbar Degenerative Disk Disease - StatPearls - NCBI Bookshelf
https://www.ncbi.nlm.nih.gov/books/NBK448134/
WEBSep 6, 2020 · Between each vertebral body of the spine are pads of fibrocartilage-based structures that provide support, flexibility, and minor load-sharing, known as the intervertebral discs. These are primarily composed of two layers: (1) a soft, pulpy nucleus pulposus on the inside of the disc and (2) a surrounding firm structure known as the …
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