PML
Stands for progressive multifocal leukoencephalopathy, a rapidly progressive, often fatal viral infection of the brain. Commonly abbreviated as PML.
PML is believed to be due to the Jacob-Creutzfeldt (JC) papovavirus. The virus infects oligodendrocytes (support cells in the brain).
The signs and symptoms of PML include headaches, memory loss, changes in mental status, speech and vision difficulties, loss of strength, limb weakness, seizures, partial paralysis and loss of coordination. The disease leads to coma and then to death.
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Pelizaeus-Merzbacher-like disease.
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Ewing tumor of bone; extraosseus Ewing tumor (tumor growing outside of the bone); primitive neuroectodermal tumor (PNET), also known as peripheral neuroepithelioma; and Askin tumor (PNET of the chest wall).
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The life-giving principle. According to the school of medicine in ancient Alexandria, life was associated with a vapor called the pneuma. The belief in pneuma was called pneumatism. In hindsight, pneumatism was an early attempt to explain respiration which is, indeed, the life-giving principle.
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A device that uses air to produce sound, helping a person whose larynx has been removed to talk.