In a definition essay, you explain the meaning of a certain term by giving a detailed description of it, and support your definition with clear examples or facts. Such explanations are needed if a term is special, abstract, disputed or does not have a common meaning.
Dysphagia may be caused by traumatic injuries to the head, neck, or chest and result from accidents or iatrogenic causes. In the latter category, both planned and inadvertent injuries to cranial nerves are common. Many accident victims have involvement of multiple sites.
We do not yet know the cause of idiopathic scoliosis, but there is a lot of genetic work going on in an attempt to answer this question. Adult De Novo or Degenerative Scoliosis develops in adulthood. Degenerative scoliosis develops as a result of disc degeneration. As the disc degenerates, it loses height. If one side of the disc degenerates more rapidly than the other, the disc begins to tilt. As it tilts, more pressure is placed on one side of your spine and gravity tends to cause the spine to bend and curve.