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在30具尸体上,对60例面静脉的瓣膜进行了观察,发现75%的面静脉具有瓣膜。调查结果表明,一般解剖学教科书关于面静脉无瓣膜的提法是不正确的。
In 30 corpses, 60 cases of venous valves were observed and 75% of the veins were found to have valves. The findings indicate that the General Anatomy textbook does not provide a valid reference to a vena cava-free valve.