Question

.............. vein is that which starts as well as terminates as capillaries

Answer 1

A portal vein is one which start with capillaries and also ends in capillaries. 

Answer 2

A portal vein is one which start with capillaries and also ends in capillaries. It starts from the stomach and intestines as capillaries and join to form hepatic portal vein which enters the liver and again breaks into capillaries and the reunion vein is called hepatic vein which joins the posterior Vena Cava.


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