名词
中文翻译：直肠上动脉
同义词：
['superior mesenteric artery', 'superior mesenteric vein']
例句：
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1. The superior rectal artery is responsible for supplying blood to the lower part of the colon.
直肠上动脉负责向结肠的下部输送血液。
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2.During surgery, it's important to identify and protect the superior rectal artery to prevent bleeding.
在手术中，识别并保护直肠上动脉以防止出血是很重要的。
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3.This condition can lead to severe pain and complications if not treated promptly.
如果不及时治疗，这种状况可能会导致严重的疼痛和并发症。