Tissue: A group or layer of cells that perform specific functions. For example, muscle tissue is a group of muscle cells.issue: A group or layer of cells that perform specific functions. For example, muscle tissue is a group of muscle cells.
1 The skin is a barrier to the outside world protecting the body from infection, radiation, and extremes of temperature.  There are many types of wounds that can damage the skin including abrasions, lacerations, rupture injuries, punctures, and penetrating wounds.
Must Read Articles Related to Paronychia (Nail Infection) Abscess An abscess is has several causes and can appear o...learn more >>. Cuts or Lacerations Cuts and lacerations are both terms that apply to a tear in the skin, though a laceration implies a more jagged tear.