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What is A 30 year old male was attacked by goons while coming from his office . He has a penetrating injury in the abdomen which damaged superior mesenteric aery and the vagus nerve . Which among the following poions of colon is most likely to get affected ? and explain in detail?
The ascending and transverse colons receive blood from the superior mesenteric aery and parasympathetic nerve fibers from the vagus nerve. However, the descending and sigmoid colons receive blood from the inferior mesenteric aery and the parasympathetic nerve fibers from the pelvic splanchnic nerve arising from sacral spinal nerves (S2-S4).