3.b) The liver, biliary apparatus and spleen Flashcards
What ligaments can the lesser omentum be divided into?
Hepatoduodenal Ligament
Gastrohepatic Ligament
Which ligaments suspend the spleen?
Splenorenal ligament (posterior) Gastrosplenic ligament (anterior)
In which mesentery does the liver develop?
Ventral foregut mesentery
What connects the liver to the anterior abdominal wall?
Falciform Ligament
What connects the liver to the lesser curvature of the stomach?
Lesser Omentum
What is the region of the liver that makes direct contact with the diaphragm called?
Bare area of the liver
Which ribs are the liver deep to?
Deep to ribs 7-11
Which abdominal regions do the liver extend across?
The top 3:
right hypochondriac
epigastric
left hypochondriac
What is the structure at the end of the falciform ligament called and how did it originate?
Ligamentum Teres
It is a remnant of the umbilical vein
What are the ligaments on the superior surface of the liver called?
Coronary Ligament (anterior and posterior) Left and Right Triangular Ligaments
What defines the anatomical boundary (dividing the liver into anatomical lobes)?
The fissures of the foetal veins
What are the 2 accessory lobes of the liver and where are they located?
Quadrate: located between the gallbladder and the fissure of the ligamentum teres
Caudate: located between the IVC and the fissure of the ligamentum venosum
Porta hepatis divides the caudate and quadrate lobes.
What is the ligament on the posterior end of the inferior aspect of the liver?
Ligamentum venosum: remnant of the ductus venosum
What divides the liver into right and left functional lobes?
A line between the gallbladder and the IVC
What is special about the caudate lobe?
It is functionally separate from the right and left lobes.
It is supplied by right and left hepatic arteries
What vessels make up porta hepatis?
Common bile duct and lymphatics
Hepatic artery
Hepatic portal vein
What are the 2 parts of the coronary ligament?
Anterior and Posterior