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
Remnant of notochord is ? 
Select and explain. 
A. Annulus fibrosus, B. Nucleus pulposus, C. Ligament flavum, D. Interansverse ligament
B: Nucleus pulposus
Answer: B: Nucleus pulposus 
Explanation: After development of veeral bodies, the notochord degenerates and disappears but persists as the nucleus pulposus of interveebral disc.