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  2. Brain death - Wikipedia

    en.wikipedia.org/wiki/Brain_death

    Brain death is the permanent, irreversible, and complete loss of brain function, which may include cessation of involuntary activity necessary to sustain life. [1] [2 ...

  3. Brain injury - Wikipedia

    en.wikipedia.org/wiki/Brain_injury

    Brain injury (BI) is the destruction or degeneration of brain cells.Brain injuries occur due to a wide range of internal and external factors. In general, brain damage refers to significant, undiscriminating trauma-induced damage.

  4. Stroke - Wikipedia

    en.wikipedia.org/wiki/Stroke

    Stroke is a medical condition in which poor blood flow to a part of the brain causes cell death. [5] There are two main types of stroke: ischemic, due to lack of blood flow, and hemorrhagic, due to bleeding. [5]

  5. Brain metastasis - Wikipedia

    en.wikipedia.org/wiki/Brain_metastasis

    Micrograph showing a colorectal carcinoma metastasis to the cerebellum. HPS stain.. A brain metastasis is a cancer that has metastasized (spread) to the brain from another location in the body and is therefore considered a secondary brain tumor.

  6. Minamata disease - Wikipedia

    en.wikipedia.org/wiki/Minamata_disease

    Minamata disease (Japanese: 水俣病, Hepburn: Minamata-byō) is a neurological disease caused by severe mercury poisoning.Signs and symptoms include ataxia, numbness in the hands and feet, general muscle weakness, loss of peripheral vision, and damage to hearing and speech.

  7. Cause of death - Wikipedia

    en.wikipedia.org/wiki/Cause_of_death

    In law, medicine, and statistics, cause of death is an official determination of the conditions resulting in a human's death, which may be recorded on a death certificate.

  8. Blood–brain barrier - Wikipedia

    en.wikipedia.org/wiki/Blood–brain_barrier

    The blood–brain barrier (BBB) is a highly selective semipermeable border of endothelial cells that regulates the transfer of solutes and chemicals between the circulatory system and the central nervous system, thus protecting the brain from harmful or unwanted substances in the blood. [1]

  9. Mental disorder - Wikipedia

    en.wikipedia.org/wiki/Mental_disorder

    A mental disorder, also referred to as a mental illness, [6] a mental health condition, [7] or a psychiatric disability, [2] is a behavioral or mental pattern that causes significant distress or impairment of personal functioning. [8]