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
In adults, the spinal cord normally ends at? 
Select and explain. 
A. Lower border of L1, B. Lower border of L3, C. Lower border of S1, D. Lower border of L5
A: Lower border of L1
Answer: A: Lower border of L1 
Explanation: In the fetus, the spinal cord and the veebral column are of the same length. Since the veebral column grows faster, the spinal cord retracts. It ascends upwards and reaches the level of lower border of L3 at bih and lower border of L1 in adults.