Definition
A cushion-like pad of cartilage between each pair of vertebrae in the spine. It acts as a shock absorber and allows spinal flexibility. When damaged, it can bulge or herniate, pressing on nearby nerves.
Intervertebral Disc
anatomyAn intervertebral disc is a flexible cushion of cartilage that sits between two neighbouring vertebrae in the spine. Each disc has a tough outer ring and a softer gel-like centre, which together absorb shocks and allow the back to bend and twist. With wear or injury, a disc can bulge or herniate and press on nearby nerves, causing back or leg pain.
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