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| Front | While performing exploratory laparotomy in a patient with a firearm injury to the abdomen, the surgeon says, ‘Oh the bullet has perforated the large bowel!’ Which of the following characteristics of the bowel enabled the surgeon to identify it specifically as large bowel? A Serosa B Circular folds C Continuous longitudinal muscle layer D Epiploic appendages E Valvulae conniventes |
| Back | DThe large bowel (colon) has several distinguishing anatomical features that differentiate it from the small bowel. The surgeon likely identified it based on one of these unique characteristics.FeatureLarge BowelSmall BowelEpiploic appendagesPresent (fat-filled sacs attached to the serosa)AbsentTeniae coliPresent (3 distinct longitudinal muscle bands)Absent (continuous outer longitudinal muscle layer)HaustraPresent (sacculations due to teniae coli)AbsentValvulae conniventes (circular folds)AbsentPresent (prominent folds in mucosa/submucosa)DiameterLargerSmaller |