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
Which of the following level does the aoa pass through the diaphragm?
assistant
The correct answer is  The abdominal aoa begins in the midline at the aoic opening of the diaphragm, opposite the lower border of veebra T12. It runs downwards and slightly to the left in front of the lumbar veebrae, and ends in front of the lower pa of the body of veebra L4. Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 2 , pg. no. 367