How does our nervous system operate so quickly and efficiently? The answer lies in a membranous structure called myelin. Aa Aa Aa All our activities — eating, walking, talking — are controlled ...

Multiple sclerosis, a neuroinflammatory disease that affects nearly 3 million people worldwide, causes a loss of myelin, the ...

Toluidine blue staining. Myelin is stained in blue. The nerve tract is filled with ring-shaped structures, indicating a transverse section of myelinated nerve fibers. (D) Electron microscopy of a ...