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': 'Ligamentum teres of the liver is a remnant of? \nSelect and explain. \nA. Ductus venosus, B. Umbilical aery, C. Peritoneum, D. Left umbilical vein', 'role': 'user'}, {'content': 'Answer: D \nExplanation: "Ligamentum teres of liver represents the obliterated left umbilical vein".Ligamentum teres (the obliterated umbilical vein) runs along the inferior edge of the falciform ligament from the umbilicus to the umbilical fissure.', 'role': 'assistant'}]