dictionary help| Schwann cell | medical dictionary |
A specialised glial cell that wraps around vertebrate axons providing extremely good electrical insulation. Separated by nodes of Ranvier about once every millimetre, at which the axon surface is exposed to the environment.
See: saltatory conduction, myelin.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
Schwalbe's nucleus, Schwalbe's ring, Schwalbe's spaces < Prev | Next > schwann cells, Schwann cell unit, schwannoma
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