Regions of the CNS with an abundance of myelinated axons constitute the ________ matter.

Question

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Myelin is a substance that covers the axons of neurons and helps to speed up the transmission of nerve impulses. In regions of the CNS where there is a high concentration of myelinated axons, the tissue takes on a whitish appearance, which is why it is called white matter. Grey matter, on the other hand, is comprised of neuronal cell bodies and dendrites, which lack myelin and have a more greyish appearance.

Regions of the CNS with an Abundance of Myelinated Axons