Hepatic Portal System Flashcards
How long is the hepatic portal system?
8 cm
The hepatic portal system carries blood from the ________ to the _______.
Digestive system
Liver
In general, what does the hepatic portal system do?
Filters the things we eat
What does the pancreatic vein drain into?
Splenic vein
What does the inferior mesenteric vein drain into?
Splenic vein
The ________ vein joins with the _______ vein to form the hepatic portal vein
Splenic
Superior mesenteric
Which two veins drain into the hepatic portal vein?
Gastric vein
Cystic vein
Where does blood from the hepatic portal vein flow?
The sinusoid capillaries of the liver
How does blood leave the liver?
Via central veins
What do the central veins of the liver form?
Hepatic veins
What do the hepatic veins drain to?
Inferior vena cava
What does the splenic vein drain?
drains spleen, some pancreas, some stomach
What does the inferior mesenteric vein drain?
Drains whole large intestine
What does the superior mesenteric vein drain?
Drains small intestine, some stomach, some pancreas
What does the gastric vein drain?
The stomach
What drains the gallbladder?
Cystic vein
By what 2 processes does the liver filer things out?
Cells of the liver remove toxic substances by altering their structure (out as feces) or by making them water-soluble so the kidneys can excrete them
The liver gets low O2 blood from the ___________ and high O2 blood from the ___________?
hepatic portal vein
hepatic artery
What is the “side” system of veins in the thorax?
Azygos system
Where does the azygos system drain?
Superior vena cava
If the inferior vena cava is obstructed, how can it still drain?
the azygos (and hemi-azygos) and an important means by which venous circulation is carried on