Hypoxia, Brain. Anoxia, Cerebral . Anoxic Brain Damage . Brain Anoxia . Cerebral Hypoxia . Hypoxia, Cerebral . Hypoxic Brain Damage . Anoxic Encephalopathies . Brain Damage, Anoxic . Brain Damage, Hypoxic . Damage, Anoxic Brain . Damage, Hypoxic Brain . Encephalopathies, Anoxic . Encephalopathies, Hypoxic . Encephalopathy, Anoxic . Hypoxic Encephalopathies . Cerebral Anoxia . Anoxia, Brain . Anoxic Encephalopathy . Brain Hypoxia . Encephalopathy, Hypoxic . Hypoxic Encephalopathy . A reduction in brain oxygen supply due to ANOXEMIA (a reduced amount of oxygen being carried in the blood by HEMOGLOBIN), or to a restriction of the blood supply to the brain, or both. Severe hypoxia is referred to as anoxia, and is a relatively common cause of injury to the central nervous system. Prolonged brain anoxia may lead to BRAIN DEATH or a PERSISTENT VEGETATIVE STATE. Histologically, this condition is characterized by neuronal loss which is most prominent in the HIPPOCAMPUS; GLOBUS PALLIDUS; CEREBELLUM; and inferior olives. . 0.75