Chapter 7 Flashcards
4 liver lobes
Right
Left
Caudate
Quadrate
Which lobe is actually part of the left lobe?
Quadrate (makes up medial aspect)
What roughly divides liver into the left and right
Main lobular fissure/ median fissure
What run within the main lobular fisure
Middle hepatic vein and main portal vein
Main lobar fissure is displayed on US as
Echogenic line running from gallbladder to right portal vein
Couinauds segments are
Universal description for hepatic lesion localization
The ascending branch of the left PV devides
Lateral and medial L lobe
Fissure for ligamentum teres seperates
Slateral and medial L lobe
Gallblader seperates
Lt and Rt lobes
Livers principle function is
Detoxification
What does the liver recycle?
Iron
What does the liver remove
Old blood cells
How much bile is secreted a day
0.5 bile per day
What vitamins/ minerals are stored by liver
Vit A, B12 and D
Iron
Liver involved in the production of
important plasma proteins and hematopoiesis in fetal life
Liver is composed of what 3 cells
Functioning hepatocytes
Kupffer cells
Bilary Epithelial Cells
What do the hepatocytse do
Detoxification
Form bile which aids in digestion of fats
Fupffer cells found where else and do what
Found also in the spleen
Immunity and protect hepatocytes
Biliary epithelial cells
Lines the biliary ducts
What has greater blood flow hepatic artery or PV
Portal veins
Portal veins provide ___% of the blood suply
70-80%
Liver has low incidence of infraction due to
Dual blood supply
Are the hepatic arteries seen well with ultrasound
No
Hepatic arteris, PV and ducts are _______ as they enter and are within the liver
Inseperables
The enterance to the liver is the
Porta hepatis
Connective tissue surrounding the porta hepatis gives it a _____ apearance
Echogenic
Peritoneal folds on the porta hepatis is the
Hepatoduodenal ligament
The CBD becomes the _____ once in the liver
Hepatic/bile ducts
Left PV has a ____ branch
Ascending
RIdel’s lobe is what
Tongue like inferior extension, drapes over inferior edge of right kidney
Normal variant of liver (3)
Ridels lobe
Distal papillary process of caudate lobe
Elongated left lobe
