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
Answer is A. Attached border of mesentery (the root of mesentery) crosses -


Third (horizontal) part of the duodenum
Abdominal aorta
IVC
Right ureter
Right psoas major