The mesentery of small intestine, along its attachment to the posterior abdominal wall, crosses all of the following structures except:: (A) Left gonadal vessels, (B) Third pa of duodenum., (C) Aoa, (D) Right ureter.
Answer is A. A i.e. Left gonadal vesselsRoot of mesentery crosses (successively) te ascending (4th) and inferior horizontal (3rd) pas of duodenum, abdominal aoa, IVC, right ureter, right psoas major and right gonadal (testicular/ovarian) vesselQ. It does not cross left ureter, leftgonadal vessels and superior mesenteric vessels.