Leukodystrophy
A disorder of the white matter of the brain. The white matter mainly consists of nerve fibers rather than nerve cells themselves, and it is concerned with conduction of nerve impulses.
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- Leukoencephalopathy with vanishing white matter
An inherited brain disease that occurs mainly in children. and follows a chronic progressive course with additional episodes of rapid deterioration following stress from febrile infection or minor head trauma. Leukoencephalopathy with vanishing white matter (VWM) is due to mutations in either of two genes — in either the EIF2B5 gene on chromosome 3q27 or […]
- Leukopenia
A shortage of white blood cells.
- Leukoplakia
A white spot or patch on the mucous membranes in the mouth (for instance, inside the cheeks, on the gums, on the tongue) that may become cancerous.
- Leukoreduction
A process used to filter and remove white blood cells from whole blood before transfusion. The reason why white blood cells (leukocytes) are removed from blood is because they provide no benefit to the recipient but can carry bacteria and viruses to the recipient. Patients who receive blood that has not been leukoreduced may have […]
- Leukotriene
One of a group of chemicals produced by the body that accompanies inflammation. Leukotrienes are believed to play a major role in causing the symptoms of hay fever and asthma.