Which structure is accurately described as the "superhighway" connecting the two hemispheres of the brain?

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The corpus callosum is a thick band of nerve fibers that connects the two hemispheres of the brain and allows them to communicate with each other. It is often referred to as the "superhighway" of the brain because of its importance in relaying information between the left and right sides.

Which Structure Is Accurately Described as the "Superhighway" Connecting the Two