An electrically insulating fatty layer that surrounds the axons of many neurons. It is an outgrowth of glial cells: Schwann cells supply the myelin for peripheral neurons while oligodendrocytes supply it to those of the central nervous system. [ http://www.neurolex.org/wiki/sao593830697 GOC:cjm http://en.wikipedia.org/wiki/Myelin GOC:jl ]
Term information
Term relations
- cellular anatomical entity
- only in taxon some Metazoa
- in taxon only Metazoa
- part of some glial cell