Myelin Sheath

Source:http://linkedlifedata.com/resource/umls/id/C0026973

MSH: 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). Deterioration of the sheath in DEMYELINATING DISEASES is a serious clinical problem.,GO: 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. [GOC:jl, NIF_Subcellular:sao-593830697, Wikipedia:Myelin],FMA: Cell appendage of a Schwann cell or an oligodendroctye which wraps around a zone of an axon; it is a shared part between the axon and the glial cell (Schwann cell or oligodenrocyte).,NCI: The fatty substance that covers and protects nerves.,NCI: A layer of phospholipi

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