Bleeding within the SKULL, including hemorrhages in the brain and the three membranes of MENINGES. The escape of blood often leads to the formation of HEMATOMA in the cranial epidural, subdural, and subarachnoid spaces. The disease is intracranial hemorrhage (EFO_0000551). Also known as: Brain Hemorrhage, Brain Hemorrhages, HEMORRHAGE INTRACRANIAL, Hemorrhage, Brain, Hemorrhage, Intracranial, Hemorrhage, Posterior Fossa, Hemorrhages, Brain, Hemorrhages, Intracranial.