Question

What is 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. Also called medullary sheath .

Answer 2

Answer:

Myelin sheath is an electrically insulating layer wrapped around the axon which increases the speed of electric conduction.