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
Closure of Neural tube begins at: 
Select and explain. 
A. Caudal end, B. Cephalic end, C. Podalic, D. Lumbar site
B: Cephalic end
Answer: B: Cephalic end 
Explanation: Cephalic end