Anatomy Which statement best describes the ureter? A Is narrowest as it crosses the transverse process of L4. B Is crossed anteriorly by the gonadal vessels. C Is crossed anteriorly by the root of the mesentery on the left. D It courses superior to the uterine vessels. 💡 Explanation Which statement best describes the ureter? ✓ Correct Answer: B. Is crossed anteriorly by the gonadal vessels.