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': 'Umblical vein assumes which of the following positions after bih- \nSelect and explain. \nA. Ligamentum teres, B. Urachus, C. Medial umblical ligament, D. Lateral umblical ligament', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Ligamentum teres', 'role': 'assistant'}]