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New movies reveal how nerves get their insulating layer

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Description: Vanderbilt researchers have produced the first time-lapse movies of the process that wraps an outer, insulating layer of myelin around the nerve fibers as the spinal cord develops in vertebrates. The movies were taken of the process in living zebrafish embryos. The researchers discovered that the initial stage in this process is surprisingly dynamic. Special glial cells, called oligodendrocyte progenitors (OPCs), spread out along new axons and continually jockey for position until they are ...
Tags: science, development, biology, spine, appel, zebrafish, vanderbilt, nerves
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