a specialized arrangement of blood vessels with two capillary beds located in series one after the other
a system of veins that carries blood from one bed of capillaries to another bed of capillaries
the blood vessels that connect to the liver.
An arrangement in which capillaries drain into a vein that opens into another capillary network.
includes all the veins that drain the small and large intestines, stomach, and spleen and that converge into the portal vein to drain into the liver.
A system of veins that begins and ends in capillaries. See hepatic portal system