This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
Filum terminate extend up to 
Select and explain. 
A. S5, B. L5, C. Coccyx, D. L4
C: Coccyx
Answer: C: Coccyx 
Explanation: (C) Coccyx # Level of Spinal Cord:> Spinal cord extends from C1 to L1 (lower border) in adults> Spinal cord extends from C1 to L3 (upper border) in infants.> Filum terminate extends from lower end of spinal cord (L1 or L3) to the tip of coccyx.> Piamater extends up to tip coccyx> Dural sheath extends up to S2 vertebra.> Subdural space extends up to S2> Subarachnoid space extends up to S2