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单词
myelin sheath
释义
WordReference Random House Unabridged Dictionary of American English © 2024
my
′
elin sheath′,
[
Anat.
]
Anatomy
a wrapping of myelin around certain nerve axons, serving as an electrical insulator that speeds nerve impulses to muscles and other effectors. See diag. under
neuron.
1895–1900
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更新时间:2025/8/1 3:06:24