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
All are TRUE about interveebral disc, EXCEPT: 
Select and explain. 
A. Nucleus pulposus is a remnant of notochord, B. Rich vascular supply, C. Prolapse is most common in lumbosacral region, D. None of the above
B: Rich vascular supply
Answer: B: Rich vascular supply 
Explanation: B. i.e. Rich vascular supply Except for the periphery, the interveebral disc is avascular structureQ