Leukodystrophy is one of a group of disorders characterized by degeneration of the white matter in the brain. The word leukodystrophy comes from the Greek roots leuko, white, dys, abnormal, and troph, growth. The leukodystrophies are caused by imperfect growth or development of the myelin sheath, the fatty covering that acts as an insulator around nerve fibers. When damage occurs to white matter, immune responses can lead to inflammation in the CNS, along with loss of myelin. The degenerat
A corneal laceration can be a partial- or full-thickness injury to the cornea. A partial-thickness injury does not violate the globe of the eye (abrasion). A full-thickness injury penetrates completely through the cornea, causing a ruptured globe. This topic discusses the full-thickness injury.
The term laceration implies a torn or jagged wound. Lacerations tend to be caused by sharp objects. Cuts and lacerations are terms for the same condition. The term gash can be used for more dramatic effect because it implies a longer or deeper cut. An avulsion refers to a wound where tissue is not just separated but torn away from the body. After you suffer a cut you often bleed.