英语词汇“myelin sheath”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	myelin sheath
释义	myelin sheath n. The insulating envelope of myelin that surrounds the core of a nerve fiber or axon and facilitates the transmission of nerve impulses. In the peripheral nervous system, the sheath is formed from the membranes of Schwann cells, and in the central nervous system it is formed from oligodendrocytes. Also called medullary sheath.
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