Lesson 10 (Part 1) Flashcards
Is the gallbladder intra or retroperitoneal?
Intraperitoneal
What does the gallbladder lie within?
The gallbladder fossa
What quadrant is the gallbladder located in?
The RUQ
What aspect of the liver is the gallbladder located?
It is the posterior inferior aspect of the liver
What does the main lobar fissure do?
It separates the right and left lobes of the liver
What is the main lobar fissure a landmark seen in 70% of patients?
The gallbladder fossa
How many layers make up the gallbladder?
3
What are the 3 layers that make up the gallbladder?
- Fibrous outer layer
- Smooth muscle layer
- Mucous membrane
How many sections is the gallbladder divided into?
3
What are the 3 sections of the gallbladder?
- Fundus
- Body
- Neck
What is the most anterior part of the gallbladder?
The fundus
- and often inferior
What does the gallbladder’s neck connect to?
The biliary system
How does the gallbladder’s neck connect to the biliary system?
Through the cystic duct
What does the cystic duct join as it comes from the gallbladder?
The common hepatic duct
What does the common hepatic duct become when the cystic duct joins it?
The common bile duct
What surrounds the portal triad?
The hepatoduodenal ligament
What does the cystic duct contain?
Valves of Heister
What are valves of Heister?
Mucosal folds
What do valves of Heister prevent?
The cystic duct from collapsing
- holds it open
Where is the cystic duct located?
Inferior to the liver
What ducts are intrahepatic ducts?
Common hepatic duct
What ducts are extrahepatic ducts? (2)
- Cystic duct
2. Common bile duct
What are we mainly looking for when scanning the gallbladder?
Stones
What does the bloody supply of the gallbladder consist of? (2)
- Cystic artery
2. Cystic vein
What is secreted by the liver?
Bile
Where is bile stored and concentrated?
In the gallbladder
What does bile help with?
Digestion
- breaking down fats
Where does the biliary tree excrete bile into?
The duodenum
What happens to the gallbladder after eating? (2)
- It contracts
2. Send bile through ducts to the duodenum
What 2 hormones stimulate the biliary tree to contract?
- CCK
2. Secretin
What can the gallbladder expand and act as?
A reservoir
- squeeze its contents on demand
