Definition, Meaning & Synonyms

myelin-sheath

Noun
/ˈmaɪ.ə.lɪn ʃiːθ/
Definition
A protective covering that surrounds nerve fibers, which is composed of a fatty substance called myelin.
Examples
  • The myelin sheath plays a crucial role in the rapid conduction of nerve impulses.
  • Demyelination can lead to severe neurological disorders.
  • Each neuron in the brain is supported by a layer of myelin sheath, enhancing signal reliability.
Meaning
The myelin sheath insulates nerve fibers and helps in the efficient transmission of electrical signals in the nervous system.
Synonyms
  • nerve insulation
  • myelination layer