15 out of 19
Subarachnoid space ends at junction of (LQ)
Ans. B S2,3
1. Arachnoid & dural sheath end at the lower end of the S-2 vertebra.
2. Subarachnoid space terminates at the caudal (lower border) S-2 vertebra.
3. This is also the ending of the sub-dural space.