B0005970 Myelinated nerve fibres
Credit: Dr David Furness. Wellcome Images
Colour-enhanced image of two myelinatd nerve fibres. The individual axons sit within their surrounding myelin sheaths (green) and are packed with energy producing mitochondria. The myelin provides a layer of electrical insulation made up of lipids (fats) and proteins produced by the Schwann cells.
Scanning electron micrograph
2000 Published: –

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