This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
In adults, spinal cord normally ends at 
Select and explain. 
A. Lower border of L1, B. Lower border of L3, C. Lower border of L5, D. Lower border of S1
A: Lower border of L1
Answer: A: Lower border of L1 
Explanation: The spinal cord extends upto the level of 2nd lumbar veebra as conus medullaris.Below the level of conus medullaris only piamater is continued as a thin fibrous cord,the filum terminale. REF.BDC VOL.3 Fifth edition