Liver Flashcards
Features of liver
It is a solid gland in the right upper quadrant of abdominal cavity. It is reddish brown in colour. It is the largest gland in body. It’s weight is 1600 grams in males and 1300 grams in females
Location of liver
It is present in the right hypochondrium, epigastrium and left hypochondrium.
Shape of liver
It is wedge shaped
Name the external features of liver
5 surfaces
1 border
Two lobes
Features of inferior border anteriorly of liver
It is sharp anteriorly and separates the anterior surface from inferior surface
Features of inferior border laterally of liver
It is rounded laterally where it separates the right surface from the anterior surface
Name two notches in the inferior border of liver
Interlobar notch
Cystic notch
How are the two lobes of liver divided anteriorly, inferiorly and posteriorly
Anteriorly by falciform ligament
Inferiorly by fissure for ligamntum teres
Posteriorly by fissure for ligamentum venosum
Sundivisions of right lobe of liver
Right lobe is subdivided into cuadate lobe and quadrate lobe
Write about cuadate lobe of liver:-
Location
Boundaries
It is present on the posterior surface
On its right, groove for inferior vena cava
On its left, fissure for ligamentum venosum
Inferiorly, porta hepatis
Write about quadrate lobe of liver
Location and boundaries
It is present on inferior surface
Anteriorly, inferior border
Posteriorly, porta hepatis
On its right, fossa for gallbladder
On its left, fissure for ligamentum teres
Porta hepatis
Definition
Situation
Lies between
Contents
It is a deep, transverse fissure of 5 cm long, situated in the inferior surface of liver.
Lies between cuadate lobe above and quadrate lobe below
Enter-portal vein, hepatic artery, hepatic plexus of nerves
Exit- right and left hepatic ducts leave it
Attachments on porta hepatis
Lips of porta hepatis provide attachment to the lesser omentum
Peritoneal relations of liver
Liver is covered by peritoneum
Except at Triangular bare area on the posterior surface of liver
Groove for inferior vena cava on the posterior surface of liver
Fossa for gallbladder on the inferior surface of liver
The area of attachment of lesser omentum
Blood supply of liver
20% from hepatic artery
80% from portal vein
