Now, the portal venous system comprises of the portal vein and its tributaries, namely the Splenic and Mesenteric veins.
门静脉系统由门静脉和其支流组成,包括脾静脉和肠系膜静脉。
英语百科
Splenic vein
The splenic vein (formerly the lienal vein) is a blood vessel that drains blood from the spleen, the stomach fundus and part of the pancreas. It is part of the hepatic portal system.