| 单词 | protective sheath |
| 释义 | protective sheath It wrongly identifies myelin, the protective sheath coating nerve fibres, as a foreign body and eats away at it. Times, Sunday Times These are bundled together into groups known as fascicles, each surrounded by a protective sheath known as the perineurium. Retrieved from Wikipedia CC BY-SA 3.0 The male thylacine had a pouch that acted as a protective sheath, covering his external reproductive organs while he ran through thick brush. Retrieved from Wikipedia CC BY-SA 3.0 These endoneuria are bundled up into groups called nerve fascicles, which have a protective sheath called a perineurium. Retrieved from Wikipedia CC BY-SA 3.0 But after 40 the body loses the battle to repair the protective sheaths. The Sun |
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