Which is the inner layer of the brain that contains myelinated axons?

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Multiple Choice

Which is the inner layer of the brain that contains myelinated axons?

White matter consists mainly of myelinated axons, which form the brain’s communication highways by carrying signals quickly between different brain regions. The myelin sheath, produced by oligodendrocytes in the CNS, insulates axons and speeds electrical transmission, giving white matter its lighter color. In contrast, grey matter is made up of neuron cell bodies and unmyelinated processes, forming the brain’s outer cortex. The cerebrum is a major brain structure, not the tissue type, and oligodendrocytes are the cells that create myelin rather than the tissue itself. Therefore, the inner layer that contains these myelinated axons is white matter.

White matter consists mainly of myelinated axons, which form the brain’s communication highways by carrying signals quickly between different brain regions. The myelin sheath, produced by oligodendrocytes in the CNS, insulates axons and speeds electrical transmission, giving white matter its lighter color. In contrast, grey matter is made up of neuron cell bodies and unmyelinated processes, forming the brain’s outer cortex. The cerebrum is a major brain structure, not the tissue type, and oligodendrocytes are the cells that create myelin rather than the tissue itself. Therefore, the inner layer that contains these myelinated axons is white matter.

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