This article is a comprehensive guide to the different cells that form myelin in the spinal cord. It explores the role played by oligodendrocytes, astrocytes, and Schwann cells in myelin formation. Understanding the functions and process involved in myelination is critical in maintaining optimal spinal cord health. The article also looks into the impact of demyelination on the spinal cord, multiple sclerosis, and the vital importance of taking care of spinal cord health.