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Concept information

Preferred term

myelin sheath

Type

  • Topic

Definition

  • Information The lipid-rich sheath surrounding axons in both the central and peripheral nervous systems. The myelin sheath is an electrical insulator and allows faster and more energetically efficient conduction of impulses. The sheath is formed by the cell membranes of glial cells (Schwann cells in the peripheral and oligodendroglia in the central nervous system).

Broader concept

Narrower concepts

Synonyms

  • medullary sheath
  • myelin

In other languages

URI

https://lod.nal.usda.gov/nalt/51883

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