Medical Definition of splenic vein
: the vein that carries blood away from the spleen, that is formed by five or six large branches which unite a short distance from the spleen, and that joins the superior mesenteric vein to form the portal vein—called also lienal vein
Seen and Heard
What made you want to look up splenic vein? Please tell us where you read or heard it (including the quote, if possible).