This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
In an adult, 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: The spinal cord at first extends throughout the length of the developing veebral canal. subsequently, however, the veebral column becomes much longer than the spinal cord with the result that at full term the lower end of the cord is at the level of third lumbar veebrae. this process of recession of spinal cord continues after bih as a result of which, in the adult, the spinal cord usually ends at the level of the lower border of the first lumbar veebraeHUMAN EMBRYOLOGY-INDERBIR SINGH TENTH EDITION-PAGE NO:328