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Slide 44: Cerebral cortex, H&E . Neurons are arranged in vertical columns (usually similar functions, e.g., motor areas, sensory areas, etc.) and horizontal layers (usually different types of neurons). There are six layers of gray matter peripherally; (DON'T BOTHER LEARNING THEM NOW); the white matter of the cortex is central to this. What is the major motor neuron in the cerebral cortex?

ANS: Pyramidal cell. Note: the surface of the cerebrum (not seen) is to the left and the white matter to the right.