21 Mar myelin

The “insulation” that forms around neural axons providing high resistance to electrical interference. The myelin is constituted of Schwann cells or glial cells (neuroglia). The color of these cells is white, thus the area filled with myelinated axons is called the white matter.
Keywords: neurogliaform
Ranvier, nodes of
axon
neuroglia
white matter
Schwann cell
oligodendrocyte
astrocyte
References: brain physiology
neurons
neuroscience