Hepatic portal system Flashcards
Which vessels make up the portal triad?
-Hepatic portal vein
-Common bile duct
-Hepatic artery proper
What does the bile duct do?
-Conducts bile to the duodenum, travelling posterior to the superior part
-Releases bile into the descending part of the duodenum
What part of the large intestine does the appendix attach to?
Cecum
Is the hepatic portal vein a tributary of the IVC?
No
What does the hepatic portal vein do?
-Conducts poorly-oxygenated but nutrient-rich blood to liver for metabolic processes from the digestive system
At which level does the IVC and hepatic veins enter the abdomen?
T8
At which level does the IVC bifurcate into the right/left common iliac vein?
L5
Major tributaries of the hepatic portal vein
-Superior mesenteric vein
-Splenic vein
-Inferior mesenteric vein
What are the smaller tributaries of the hepatic portal vein?
-Left gastric vein
-Posterior superior pancreaticoduodenal vein
-Right gastric vein
-Esophageal veins
The _______________ collects from the foregut and midgut structures
Superior mesenteric vein
The _____________ collects from the hindgut structures
Inferior mesenteric vein
The _________ collect from the foregut structures
-Splenic vein
-Left gastric vein
-Right gastric vein
-PSPD vein
Which veins collect from the esophagus?
Esophageal veins
Which veins collect from the stomach?
-Right/left gastric veins
-Right and left gastro-omental veins
-Short gastric veins
Which veins collect from the pancreas?
-Posterior superior pancreaticoduodenal vein
-Pancreatic veins
-Anterior superior pancreaticoduodenal vein
-Anterior inferior pancreaticoduodenal vein
-Posterior inferior pancreaticoduodenal vein
The IMV travels __________ and __________ to the 4th part of the duodenum
Lateral and superior
Tributaries of the IMV
-Left colic vein
-Sigmoid veins
-Superior rectal vein
The SMV travels _______ to the 3rd (inferior) part of the duodenum with the SMA
Anterior
Tributaries of the SMV
-Anterior superior pancreaticoduodenal vein
-Anterior inferior pancreaticoduodenal vein
-Jejunal veins
-Ileal veins
-Ileocolic vein
-Right colic vein
-Middle colic vein
Which parts of the portal triad are located anterolaterally and anteromedially?
Anterolaterally: common bile duct
Anteromedially: hepatic artery proper
The convergence of the _______ and the ______ typically form the hepatic portal vein.
Splenic vein and SMV
Where does the inferior mesenteric vein dump into?
Splenic vein
IMV collects blood directly from the distal ______ of the transverse colon, descending colon, sigmoid colon, and superior aspect of the rectum.
1/3
