system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Spinal anaesthesia should be injected into the space between –
assistant
The correct answer is  L2-3 or L3-4 intervertebral space is used in adult as adult spinal cord ends at lower border of L1 vertebrae.
L4-5 intervertebral space is used in children as spinal cord ends at lower border of L3 vertebrae in children.