When present the cystic vein drains the blood from the
gall-bladder, and, accompanying the
cystic duct
The cystic duct is the short duct that joins the gallbladder to the common hepatic duct. It usually lies next to the cystic artery. It is of variable length. It contains ' spiral valves of Heister', which do not provide much resistance to the ...
, usually ends in the right branch of the
portal vein
The portal vein or hepatic portal vein (HPV) is a blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas and spleen to the liver. This blood contains nutrients and toxins extracted from digested contents. Approx ...
. It is usually not present, and the blood drains via small veins in the gall-bladder bed directly to the parenchyma of the liver.
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Veins of the torso
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