Anatomy The mesentery of the small intestine, along its attachment to the posterior abdominal wall, crosses all of the following structures except – A Left gonadal vessels B Third part of duodenum C Aorta D Right ureter 💡 Explanation The mesentery of the small intestine, along its attachment to the posterior abdominal wall, crosses all of the following structures except - ✓ Correct Answer: A. Left gonadal vessels