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: Unknown
Spinal cord ends at lower border of which vertebra in adults - 
Select and explain. 
A. L11, B. L1, C. L3, D. L5
B: L1
Answer: B: L1 
Explanation: Ans. is 'b' i.e., Li o Spinal cord begins at foramen magnum and, in adults, ends at the lower border of LI. Structure Extends up to # Adult spinal cord # Infant spinal cord Lower border of L1 or upper border of L2 Upper border of L3 vertebrae # Filum terminate # Pia mater Tip of the coccyx # Dural sheath # Subdural space # Subarachnoid space S2 vertebra