Source:http://linkedlifedata.com/resource/umls/id/C0018674
MSH: Traumatic injuries involving the cranium and intracranial structures (i.e., BRAIN; CRANIAL NERVES; MENINGES; and other structures). Injuries may be classified by whether or not the skull is penetrated (i.e., penetrating vs. nonpenetrating) or whether there is an associated hemorrhage.,MEDLINEPLUS: <p>Chances are you've bumped your head before. Usually, the injury is minor because your skull is hard and it protects your brain. But other head injuries can be more severe, such as a skull fracture, <a href='http://www.nlm.nih.gov/medlineplus/concussion.html'>concussion</a>, or <a href='http://www.nlm.nih.gov/medlineplus/traumaticbraininjury.html'>traumatic brain injury</a>.</p><p>Head injuries can be open or closed. A closed injury does not break through the skull. With an open, or penetrating, injury, an object pierces the skull and enters brain tissue. Closed injuries are not always less severe than open injuries.</p><p>Some common causes of head injuries are falls, motor vehicle accidents, violence, and s