Injury to which of the following vessels is least likely to result in significant damage:

Ans. c. Inferior mesenteric aeryInjury to inferior mesenteric aery is least likely to result in significant damage among the given options.Occlusion of the inferior mesenteric aery does not always result in irreversible ischaemia of the descending and sigmoid colon, because the marginal aery of the colon usually receives an adequate supply from the left branch of the middle colic aery.