The small bowel is twisted around the superior mesenteric artery.
小肠拧住了肠系膜上动脉。
英语百科
Superior mesenteric artery
In human anatomy, the superior mesenteric artery (SMA) arises from the anterior surface of the abdominal aorta, just inferior to the origin of the celiac trunk, and supplies the intestine from the lower part of the duodenum through two-thirds of the transverse colon, as well as the pancreas.