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myelin sheath |
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myelin sheathInsulating layer that surrounds nerve cells in vertebrate animals. It serves to speed up the passage of nerve impulses. Myelin is made up of fats and proteins and is formed from up to a hundred layers, laid down by special cells, the Schwann cells. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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