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Nervous Tissue: Myelin

Nervous Tissue: Myelin

The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths.
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...

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Updated: Jul 18, 2025

Comprehensive Autopsy Program for Individuals with Multiple Sclerosis

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Pseudocystic demyelination in multiple sclerosis

¹MS & Neuroimmunology Clinic, Concord Hospital, The University of Sydney, Sydney, NSW, Australia.

Multiple Sclerosis (Houndmills, Basingstoke, England)

|August 25, 2023

Summary

No abstract available in PubMed .

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