Myelin (Noun)
Meaning
A white fatty substance that forms a medullary sheath around the axis cylinder of some nerve fibers.
Classification
Nouns denoting substances.
Examples
- Myelin acts as an electrical insulator, increasing the speed of transmission of signals along the nerve fibers.
- Damage to the myelin sheath can disrupt communication between nerve cells, leading to neurological disorders.
- In multiple sclerosis, the immune system attacks the myelin that surrounds nerve fibers, causing damage and disruption to the nervous system.
- The fatty substance myelin plays a crucial role in the functioning of the central nervous system by facilitating rapid transmission of electrical impulses.
- In the development of the nervous system, the process of myelination involves the formation of a myelin sheath around the axons of nerve cells.