Superior cortical branches of the MCA supply mainly which lobes?

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Explore the Hemispheres 3.0 Level I Brain Anatomy and Physiology Test. Study with detailed questions, answers, and hints. Enhance your knowledge and boost your preparation for success!

Multiple Choice

Superior cortical branches of the MCA supply mainly which lobes?

Explanation:
The part of the MCA that travels along the upper (superior) lateral surface supplies the frontal and parietal lobes. These regions include the primary motor cortex in the frontal lobe and the primary somatosensory cortex in the parietal lobe, both up on the lateral surface. The temporal lobe, by contrast, is mainly fed by the inferior division of the MCA, so the superior branches don’t primarily serve it. In short, those superior branches predominantly nourish the frontal and parietal lobes.

The part of the MCA that travels along the upper (superior) lateral surface supplies the frontal and parietal lobes. These regions include the primary motor cortex in the frontal lobe and the primary somatosensory cortex in the parietal lobe, both up on the lateral surface. The temporal lobe, by contrast, is mainly fed by the inferior division of the MCA, so the superior branches don’t primarily serve it. In short, those superior branches predominantly nourish the frontal and parietal lobes.

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