Possible is a fictional character who appears in the animated television series Kim Possible. Created by Bob Schooley and Mark McCorkle, the character debuted in the show's pilot episode,  Crush , which premiered on the Disney Channel on June 7, 2002.
A subdural hematoma occurs when a blood vessel near the surface of the brain bursts. Blood builds up between the brain and the brain's tough outer lining. The condition is also called a subdural hemorrhage. In a subdural hematoma, blood collects immediately beneath the dura mater. The dura mater is the outermost layer of the meninges.
The hematoma forms between the dura mater and the arachnoid membrane. B, Epidural hematoma. The result of a head injury that tears a large meningeal artery, causing the collection of a large amount of blood above the dura mater. The large epidural hematoma compresses brain tissue. If not relieved, subdural and epidural hematomas can be fatal.