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
Centrum of veebra is formed from 
Select and explain. 
A. Pre axial mesoderm, B. Notochord, C. Paraxial mesoderm, D. Somatic mesoderm
C: Paraxial mesoderm
Answer: C: Paraxial mesoderm 
Explanation: 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