This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Muscular component of dorsal aoa develops from \nSelect and explain. \nA. Axial Mesoderm, B. Paraxial Mesoderm, C. Intermediate mesoderm, D. Lateral plate mesoderm', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Muscular component of dorsal aoa develops from paraxial mesodermRef: Inderbir Singh&;s Human embryology Tenth edition Pg 257', 'role': 'assistant'}]