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
The second pa of duodenum continuous with third pa of duodenum at what level of veebrae ?
assistant
The correct answer is  The second pa of duodenum - It begins at the superior duodenal flexure, passes downwards to reach the lower border of the third lumbar veebra, where it curves towards the left at the inferior duodenal flexure, to become continuous with the third pa. Ref : B D Chaurasia's Human Anatomy , Seventh edition , volume 2 , pg.no., 286.