Liver Flashcards
The liver occupies a majority of the ___________ region
right hypochondriac
The liver is located where in relation to the peritoneum?
Intraperitoneal
The only part of the liver that is not intraperitoneal is the _________.
Bare area
The bare area is located where in relation to the peritoneum?
retroperitoneal
The liver reaches the dome of the ___________ superiorly
diaphragm
True or False: The liver weighs more in men
True
What is the normal sonographic appearance of the liver?
Homogenous with medium level echoes
The liver should not exceed ________
17 cm
What is Glisson’s Capsule?
A thick, fibrous capsule that encloses the liver and is covered by peritoneum of greater sac
The liver receives ________ blood supply
double
The hepatic arteries deliver ________ rich blood to the liver
oxygen
The portal veins deliver ________ rich blood to the liver
nutrient
The liver has how many true lobes?
3
What are the 3 true lobes of the liver?
Right, left, caudate
The _______ lobe is not a true lobe of the liver
quadrate
What is the quadrate lobe?
the medial segment of the left lobe
The right lobe occupies what region?
right hypochondriac
What divides the right and left lobes?
the falciform ligament
What is also attached to the falciform ligament?
the ligament of teres (round ligament)
The ligament of teres is the remnant of which vessel?
umbilical vein
The left lobe of the liver occupies the _________ regions
epigastric/left hypochondriac
The ligament of teres forms the boundary of?
the left medial and lateral segments
The ligamentum venosum separates?
the left lobe from the caudate lobe
The caudate lobe is located __________ on the __________ surface of liver
midline on posterosuperior
The caudate lobe is __________to the porta hepatis
posterior
The IVC is located ________ to caudate lobe
posterior
The left hepatic vein is ______ to the ligamentum venosum
anterior
True or False: the caudate lobe has its own blood supply
True
Which lobe of the liver enlarges with late cirrhosis?
Caudate lobe
The right lobe is divided into?
anterior and posterior
The left lobe is divided into?
lateral and medial
What divides the right lobe into anterior and posterior segments?
Right hepatic vein
What divides the liver into the right anterior and left medial segments?
the middle hepatic vein
What divides the liver into the left medial and left lateral segments?
left hepatic vein/round ligament
The falciform ligament is on the ________ surface on the liver
anterior
On what plane is the falciform ligament best seen?
transverse (echogenic triangle)
The ligament of teres runs along the ________ surface of the liver
anterior
The round ligament forms the boundary between the what segments?
left medial and lateral
In which plane is the round ligament best seen?
transverse
The main lobar fissure connects what structures?
The gallbladder and right portal vein
The main lobar fissure is also called?
Rex Cantlie Line
The mickey mouse sign is created by the?
portal triad
True or False: The location of the HA changes in the sagittal plane
true
The HA is always ________ to the PV
anterior
The HA in transverse is always _______ and to the _______ of the PV
anterior; left
Anatomically, the HA is _______ and to the _______ of the PV
anterior; left
The caudate lobe is _______ to the ligamentum venosum
posterior
The left hepatic vein is ______ to the ligamentum venosum
anterior
The falciform ligament is ________ to the pancreas
anterior
The main portal vein is always _______ to the HA and CBD
posterior
The caudate lobe is __________ to the porta hepatis
posterior
What is located in the bare area of the liver?
Gallbladder fossa, porta hepatis, parts of IVC
Name the LFTs
albumin, bilirubin, alkaline phosphatase (ALP), AST, ALT, Prothrombin time