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.
Select a Procedure. Problems after Herniated Disc Removal. When an intervertebral disc becomes displaced into the area of the spinal canal, this is often called a slipped disc, herniated disc or sometimes an extruded disc (see the herniated disc section). When non-operative means have failed, surgery is sometimes recommended.