vahelüli
Vahelüli is an Estonian word that translates to "intervertebral disc" in English. These are crucial components of the human spine, located between each vertebra. They act as shock absorbers, cushioning the bones of the spine during movement and preventing them from grinding against each other. Each vahelüli consists of two main parts: the annulus fibrosus, a tough outer ring of fibrous cartilage, and the nucleus pulposus, a soft, gel-like center. This structure allows for flexibility and movement in the spine while also providing stability.
The health of vahelüli is vital for spinal function. Over time, or due to injury or degenerative