Lesson 3B (Part 4) Flashcards
What makes up the left arm of the H? (2)
- Fissure or the ligamentum venosum
2. Ligamentum teres
What is on the left side of the left arm of the H?
The left lobe
What is on the right side of the left arm of the H? (2)
- Caudate lobe
2. Quadrate lobe
What makes up the right arm of the H? (2)
- IVC
2. Gallbladder
What is on the left side of the right arm of the H? (2)
- Caudate lobe
2. Quadrate lobe
What is on the right side of the right arm of the H?
Right lobe
What makes up the cross bar on the H?
Porta hepatis
What makes up the porta hepatis?
- Portal vein
- Hepatic artery
- Hepatic duct
What is posterior (above) to the cross bar of the H?
The caudate lobe
What is anterior (below) the cross bar of the H?
Quadrate lobe
Where is the H located?
On the visceral side of the liver
Where is the porta hepatis enclosed?
In the free margin (or unattached edge) of the lesser omentum
Where is the main portal vein in the porta hepatis?
Most posterior and courses obliquely toward the liver
- behind the neck of the pancreas (confluence)
Where is the hepatic duct in the porta hepatis?
Most anterior
Where is the hepatic artery in the porta hepatis?
In between the portal vein and the hepatic duct
What does the gallbladder do?
Stores bile
What is the capacity of gallbladder?
30-50ml
Where is the gallbladder usually?
On the inferior and medial aspect of right lobe and lateral to the quadrate lobe
Does the gallbladder change position?
Yes
- depends on how the patient is orientated
What are the 3 divisions of the gallbladder?
- Fundus
- Body
- Neck
What controls the flow of bile from the gallbladder into the duodenum?
A hormonal feedback system
Where is the fundus of the gallbladder located?
It is the inferior aspect of the sac
- protrudes from the inferior margin of the liver
What does the fundus of the gallbladder contact? (3)
- Anterior abdominal wall
- Duodenum
- Transverse colon
What is the largest part of the gallbladder?
The body
Where does the body of the gallbladder extend?
Upwards
What is the body of the gallbladder in contact with?
Visceral surface of the liver
What is the narrow constricted portion of the gallbladder?
The neck
What is the neck of the gallbladder directed towards?
The porta hepatis of the liver
What is the neck of the gallbladder continuous with?
Cystic duct
What is the only portion of the gallbladder that is fixed?
The neck
Where does all the bile sit in the gallbladder?
Top part of the fundus
- due to gravity
What prevents back flow of bile?
Pressure difference
What is another word for hartmann’s pouch?
The infundibulum
What is the hartmann’s pouch?
A mucosal fold or slight outpouching located in the area of the neck of the gallbladder
What is the infundibulum a common space for?
Gallstones to become lodged
Where is the hartmann’s pouch located?
On the neck of the gallbladder
