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': 'Centrum of veebra is formed from \nSelect and explain. \nA. Pre axial mesoderm, B. Notochord, C. Paraxial mesoderm, D. Somatic mesoderm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: In the veebrate spinal column, each veebra is an irregular bone with... The upper and lower surfaces of the centrum are flattened and rough in order to give attachment to the interveebral discs.BD CHAURASIA S HUMAN ANATOMY Vol1', 'role': 'assistant'}]