| Fatty substance that forms a covering around nerves (6) |
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| A white tissue forming an insulating sheath around certain nerve fibres |
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| White fatty coating of the axons of nerve cells that provides insulation and increases the speed at which impulses are conducted (6) |
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| It covers nerves from setter's feelings essentially (6) |
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| Electrically insulating material around nerve fibers |
New York Times |
04 Aug 2018 |
| Electrically insulating material around nerve fibers |
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| Fatty substance in nerve cells |
Wall Street Journal |
03 Aug 2016 |
| Insulating sheath around nerves |
The Washington Post |
27 May 2016 |
| Substance protecting many nerve fibres |
The Times Concise |
29 Mar 2016 |
| The writer's flower put back in a sort of sheath |
The Telegraph Toughie |
09 Sep 2015 |
| Medullary sheath |
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