 myelin_sheath |
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| 1. | [ noun ] (anatomy,zoology) a layer of myelin encasing (and insulating) the axons of medullated nerve fibers | |
| Synonyms: | medullary_sheath | |
| Related terms: | sheath medullated_nerve_fiber axolemma nodes_of_ranvier oligodendroglia myelin | |
| Similar spelling: |
myelinization myelinisation |
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