Between each vertebrae is an intervertebral disc that provides a cushion so the vertebrae don’t rub together.įurthermore, these discs (intervertebral discs) between the vertebrae, have a gel-like material inside (called a nucleus pulposus). In the most simple terms, the spine is made up of individual vertebrae stacked on top of each other. Disc herniation most commonly occurs in the lower back (lumbar spine) and involves the displacement of disc material beyond the inter-vertebral disc space.
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