Question

What is the myelin sheath ?

Answer 1

The insulating envelope of myelin that surrounds the core of a nerve fiber or axon and that facilitates the transmission of nerve impulses, formed from the cell membrane of the Schwann cell in the peripheral nervous system and from oligodendroglia cells.

Answer 2

The insulating envelope of myelin that surrounds the core of nerve fiber or axon and that facilitates the.

transmission of nerve impulse , formed form the cell membrane of the schwan cell in the peripheral nervous system and form oligodendroglia cells. medullary sheath....

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