Science today isn't the same as the science 2000 years ago was but some principles remain the same. The human knowledge constantly grows but with more knowledge there comes even more mysteries and unsolved questions, so science is always going forward.
Causes. The most common cause of a cervical herniated nucleus pulposus is gradual degeneration of the disc, attenuation (weakening) of the posterior annulus fibrosis, and subsequent protrusion of the nucleus pulposus into the spinal canal causing compression of the nerve root.
HNP , or a herniated nucleus pulposus , is the more medically oriented term for what most people refer to as a â herniated disc. â The nucleus pulposus is the gel-like inner material found within the thick , outer walls intervertebral discs , which are soft , sponge-like bodies responsible for providing support and flexibility along the entire ...