Liver, biliary ducts and gallbladder Flashcards
What is a unique feature of the liver?
It can regenerate itself.
What major role does the liver play in digestion?
Producing bile.
Where is the liver primarily located?
Right hypochondriac and epigastric regions of the abdomen.
What are the four lobes of the liver?
- Right lobe
- Left lobe
- Caudate lobe
- Quadrate lobe
What separates the right and left lobes of the liver?
Falciform ligament.
What are hepatic spaces?
Potential spaces surrounding the liver, containing peritoneal fluid.
What is the diaphragmatic surface of the liver?
The surface in direct contact with the diaphragm.
What is the bare area of the liver?
The part of the diaphragmatic surface not covered by visceral peritoneum.
What ligaments surround the liver like a crown?
Coronary ligament.
What is the remnant of the fetal umbilical vein called?
Ligamentum teres hepatis.
What connects the right sagittal fissure and left sagittal fissure?
Porta hepatis.
What is the function of the hepatoduodenal ligament?
Extends between the porta hepatis and the proximal part of the duodenum.
What two major sources supply blood to the liver?
- Hepatic portal vein
- Hepatic artery proper
What does the hepatic portal vein carry?
Nutrient-rich blood from the gastrointestinal tract.
What is the role of hepatocytes?
Carry out detoxification tasks in the liver.
What are the three hepatic veins responsible for venous drainage?
- Right hepatic vein
- Left hepatic vein
- Intermediate hepatic vein
Where does most lymphatic drainage from the liver occur?
Hepatic nodes around the porta hepatis.
What is the hepatic plexus?
A network that provides innervation to the liver.
What structure regulates the flow of bile into the duodenum?
Sphincter of Oddi.
What is the main function of the gallbladder?
Concentrate and store bile.
What are the three parts of the gallbladder?
- Fundus
- Body
- Neck
What is the spiral valve in the gallbladder?
A fold in the mucosa of the neck that helps keep the cystic duct open.
What artery supplies blood to the gallbladder?
Cystic artery.
What does the common bile duct form from?
The common hepatic duct and the cystic duct.
What is the hepatopancreatic ampulla?
The junction where the common bile duct merges with the main pancreatic duct.
What is the anatomical significance of the cistohepatic triangle of Calot?
It is bounded by the common hepatic duct, the cystic duct, and the visceral surface of the liver.
What is the function of the gallbladder’s neck?
Where the cystic duct extends from.
Where does lymph from the gallbladder drain?
Cystic lymph nodes.
True or False: The liver has a single source of blood supply.
False.
Fill in the blank: The liver’s blood supply primarily comes from the _______.
Hepatic portal vein.
Fill in the blank: The gallbladder is located in a fossa on the visceral surface of the _______ lobe of the liver.
Right.
