a vein that begins and ends in capillaries and that transfers blood from one part of the body to another without passing through the heart, esp the vein carrying blood from the digestive organs and spleen to the liver
| 单词 | portal vein |
| 释义 | portal veinnouna vein that begins and ends in capillaries and that transfers blood from one part of the body to another without passing through the heart, esp the vein carrying blood from the digestive organs and spleen to the liver |
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