ZEPHYR / SCIENCE PHOTO LIBRARY ZEPHYR / SCIENCE PHOTO LIBRARY
Multiple sclerosis. Coloured magnetic resonance imaging (MRI) scan (lower frame) of the brain of a 48 year old patient with multiple sclerosis (MS). A neurospectrograph of brain chemicals is seen as a blue line. MS is a disease of the nervous system that leads to tingling and numbness, and can proceed to paralysis and death. The graph shows the quantities of some metabolites of brain chemicals. High levels of lactates and lipids (Lac/Lip) and a noticeable peak for choline (Cho) indicate multiple sclerosis here. The other marked peaks correspond to N-acetylaspartate (N-aa), glutamate (Glx) and creatine (Cr). The boxed area in the brain scan shows a demyelinated area.
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