This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
[{'content': 'What is the rostral end of the corpus callosum called? \nSelect and explain. \nA. Genu, B. Splenium, C. Body, D. Anterior Horn', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The corpus callosum is a large bundle of myelinated and non-myelinated fibers, the great white commissure that crosses the longitudinal cerebral fissure and interconnects the hemispheres. The body of the corpus callosum is arched; its anterior curved poion, the genu, continues antero ventrally as the rostrum. The thick posterior poion terminates in the curved splenium, which lies over the midbrain. Also Know: The corpus callosum is the largest of the interhemispheric commissures and is largely responsible for co-ordinating the activities of the two cerebral hemispheres.', 'role': 'assistant'}]