This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'All of the following are derivatives of the septum transversum except \nSelect and explain. \nA. Falciform ligament, B. Coronary ligament, C. Mesentery of the lesser sac, D. Ligamentum teres', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ligamentum teres represents the obliterated left umbilical vein and is not a derivative of septum transversum. Ref:Human Anatomy,BD Chaursia, pg335', 'role': 'assistant'}]