Chapter

Schwann Cells and Myelin

Rudolf Martini

in Neuroglia

Published on behalf of Oxford University Press

Published in print October 2004 | ISBN: 9780195152227
Published online September 2013 | e-ISBN: 9780199865024 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780195152227.003.0004
                      Schwann Cells and Myelin

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Different types of macroglial cells are present in the peripheral nervous system (PNS), comprising perineuronal satellite cells of sensory and autonomic ganglia, the astrocyte-like glial cells of the enteric ganglia and plexus, and the Schwann cells proper that are associated with axonal processes of peripheral nerves and spinal roots. The Schwann cells form the majority of the peripheral glial cells, and their origin, differentiation pathways, structural and molecular characteristics, and functional roles are best understood when compared to those of the other glial types of the peripheral nervous system. This chapter focuses on the major structural characteristics of Schwann cells. Molecular aspects are also considered, especially where they help to clarify the cytoarchitecture of the highly organized axon-Schwann cell unit.

Keywords: macroglial cells; Schwann cell; teloglia cells; sensory corpuscles

Chapter.  8664 words.  Illustrated.

Subjects: Neuroscience

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