Fracture:A breakinboneorcartilage. Although usually a result oftrauma, a fracture can be the result of anacquireddiseaseof bone, such as osteoporosis, or ofabnormalformation of bone in acongenitaldisease of bone, such asosteogenesis imperfecta('brittle bone disease'). Fractures are classified according to their character and location (for example,greenstick fractureof theradius).
