portal vein

例句：

1. 1. The portal veinis responsible for carrying blood from the intestines to the liver.
   门静脉负责将血液从肠道输送到肝脏。
2. 2. Thesurgeon performed a successful surgery on the patient's portal vein.
   外科医生成功地为病人的门静脉进行了手术。
3. 3. The conditionof the portal vein can indicate the presenceof an underlying disease.
   门静脉的状况可以提示存在潜在的疾病。