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chapter six
liver
41
Anatomy
Undergraduate 2
07/11/2008

Additional Anatomy Flashcards

 


 

Cards

Term
Segmental liver division (superior cuts)
Definition
hepatic veins divinding lines between lobes, inter-lobar/inter segmental)

 

MHV - R/L lobes

LHV - M/L LL 

RHV - A/P RL 

Term
Segmental division of liver (lower cuts) inter (between) intra (within)
Definition

Caudate lobe - own blood supply

Main Lobar fissure - R/L Lobes (true)

RPV - A/P RL (intra)

LPV - M/L LL (intra)

ligament of teres - M/L LL

Ligament venosum - LL from Caudate

 

 

 

Term
ligament of teres
Definition

inferior to free edge of falcifomr ligament

trans - round, high amps echos and shadow

mid cuts looks more triangular

 

Term
Main lobar fissure
Definition
divides true R and L lobes

found in line joining the gallbladder fossa with IVC

courses within the main lobar fissure

divides RLL and LLL or ant seg of RLL from med seg of LLL

Term
falciform ligament/LOT
Definition
extends from the umbilicus to the diaphragm is a parasagittal plane contains the ligament of teres
Term
bare area
Definition

behind IVC superior to cystic duct (fixed)

no peritonium

Term
caudate lobe
Definition

between fossa of IVC and fissure of ligamentum venosum

right and left portal triads (PV, Duct, HA) to caudate lobe

Term
Caudate process
Definition

extends obliquely to the right from inferior portion of caudate lobe to right lobe

 

toungue like process between IVC and MPV

Term
ALT, direct bilirubin
Definition
enzyme of the liver specific to liver function
Term
AST, indirect bilirubin
Definition
not specific to liver, could have tissue damage elsewhere
Term
LDH
Definition
increase with tissue damage. mono, hepatitis, cirrhosis, jandice, mycardial or pulmonary infarction
Term
Alk Phos.
Definition
elevated in obstruction
Term
albumin
Definition
decrease = acities, GB wall thick due to fluid leaking
Term
8 functions of the liver
Definition
Secreates bile
removes nutrients from blood
converts glucose to glycogen and stores it
stores iron and vitamins
metabolizes proteins, fats and carbs
detoxifies drugs and poision
phagocyzes bacteria and old RBC
Term
bare area
Definition
area superior to the liver that is not covered by peritoneum so the IVC can ener the chest
Term
bull's eye lesion
Definition
hypoechoic mass with an echogenic central core (abscess, metatases)
metastatic "true"
candidiasis - HIV
leukemia - WBC low
Term
ligament of teres
Definition
seperates the Med/lat left lobe of liver
Term
ligament of venosome
Definition
separates caudate and left lobe liver
Term
main lobar fissure divides true R/L lobes
Definition
Middle hepatic vein also runs with main lobar fissure and divides R/L lobes
Term
collateral circulation
Definition
deveolps when normal venous channels become obstructed
Term
diffuse hepatocellular disease
Definition
affects hepatocytes and interferes with liver function
Term
hepatocellular disease
Definition
refers to liver cells or hepatocytes as primary problem
Term
left portal vein
Definition
supplies left lobe of liver, branches into med and lateral
Term
main portal vein
Definition
enter liver at porta hepatis
Term
right portal vein
Definition
supplies right lobe liver, branches ant and post
Term
right lobe liver
Definition
largest lobe
Term
the fassae of the right portal vein (RPV) and gallbladder are found in the
Definition
main lobar fissure
Term
in sever hepatocellular destruction the AST and ALT are
Definition
high
Term
diminished vascular structures within the liver parenchyma most likely represent
Definition
cirrhosis
Term
Budd-chiari syndrome
Definition
Term
obstructive portal disease
Definition
Term
acute viral hepatisis
Definition
Term
acute viral hepatisis
Definition
Term
complex cysts
Definition
pyogenic, amebic, eninococcal
Term
anechoic cysts
Definition
cystic lesions, simple and congenital hepatic
Term
fatty liver
Definition
patchy, inhomogeneous, echogenic
impared visual of portal veins
Term
hepatitis
Definition
inflammatory/infectious.flu GI symptoms
Term
acute hepatitis
Definition
increase brighness of PV, BG wall thick?
Term
chronic hepatitis 3-6 months
Definition
increase echogenicity
decrease brightness PV
decrease visual
Term
cirrhosis
acute - nausea, light color stools
chronic - wgt loss, dk urine
Definition
lobes covered with fibrous tissue.
nodularity in free area
decrease vascular markings
Term
Glycogen storage disease
Definition
Von gierke's disease
echogenic, attunuation
Round homo, adenomas
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