digestive system three Flashcards
where is the liver located?
upper right part of abdomen
what are the functions of the liver?
- produces and secretes bile (helps with fat/lipid digestion)
- processes the products of digestion (including alcohol and drugs)
- store nutrients and produces plasma proteins
what are the four lobes of the liver?
right, left, quadrate, and caudate
hepatic portal vein, hepatic artery proper, and common hepatic duct
gross anatomy of liver
hepatocytes and central vein
histology of liver
what makes up the portal triad?
branch of hepatic portal vein, branch of hepatic artery, and branch of bile duct
what is the blood flow of the liver?
blood from hepatic artery and hepatic portal vein flow into liver
where does bile go after leaving liver?
bile duct
where is the gallbladder located
beneath liver (between right and quadrate lobes)
what is the function of the gallbladder?
it stores and concentrates bile secreted by liver
where is the pancreas located?
behind stomach
secrete pancreatic juice
- pancreatic juice leave via a pancreatic duct
acinar cells
what is the function of pancreas?
produces and releases digestive enzymes and bicarbonate (pancreatic juice)
a network of “tubes” that transport bile and pancreatic juices to the duodenum
biliary apparatus
what ducts unite to form the common hepatic duct?
right and left hepatic ducts
what type of duct does the gallbladder have?
cystic duct
what ducts unite to form the common bile duct?
cystic duct and common hepatic duct
what duct connects with the common bile duct?
pancreatic duct
where does the common bile duct open into?
duodenum at the duodenal papilla
celiac trunk, superior mesenteric artery, inferior mesenteric artery
arterial supply
veins that drain blood from GI tract directly to liver
hepatic portal system
what are the four main veins of the hepatic portal system?
splenic vein, superior mesenteric vein, inferior mesenteric vein, hepatic portal vein
where does the hepatic portal system take blood to?
liver
process blood from hepatic portal vein
hepatocytes
where does the blood go once processed?
leaves liver via hepatic veins into the inferior vena cava
