<prompt> Which of the following is true regrading spinal cord and neuraxial blockadeSpinal cord ends at S1 in adultsSpinal anaesthesia is given below L3 level in childrenDural sac extends upto S2 in childrenSpinal cord ends at lower border of L1 in children  <response>: Spinal cord ends at upper border of L3 in children , and at lower border of L1 in adults. The dural sac extends upto S3 in children and S2 in adults. 