During the initial discovery period of global climate change, the magnitude of the influence of the Sun on Earth's climate was not well understood. Since the early 1990s, however, extensive research was put into determining what role, if any, the Sun has in global warming or climate change.
Paracentral Herniating Disc. A paracentral herniation occurs when the bulge of the affected intervertebral disc points in direction of the middle part of the spinal canal, also called the foramen. The word âparacentralâ originates from the Greek and means ânear the centerâ of something.
Slipped Disk (Herniated Disc). A potentially painful problem in which the hard outer coating of the disk is damaged, allowing the disk's jelly-like center to leak and cause irritation to adjacent nerves.hysical examination for lumbar radiculopathy due to disc herniation in patients with lowâback pain. Background: Lowâback pain with leg pain (sciatica) may be caused by a herniated intervertebral disc exerting pressure on the nerve root.