Explain the role of myelin in the nervous system. Where does it come from? What does it do? What happens if degenerates?
Myelin is rudimentary for the efficient function of the nervous system. It is defined as a fatty substance that surrounds the nerve cells axom and owing to its fatty nature insulates the nerve cella axom electrically.
It is white in color, or a more translucent white. It comes from a process that is termed as Myelination, and is an outgrowth of sorts of one of the types of gilial cells.
In simple terms, myeline is the reason why our distant body parts can react swiftly to an impulse (or order) that emanates from the brain. It helps propagate smooth impulse transition.
If there is damage to the myelin sheath or if the myelin begins to degenerate, then it can pose problems in an individuals efficient functionality. It can also cause diseases that are related to the nervous system such as Multiple sclerosis.
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