The Liver Lobes and Segments

Question 1

liver covered by _____ and ______

Answer 1

Glisson’s capsule
visceral peritoneum

Question 2

Is liver intra or retroperitoneal

Answer 2

intraperitoneal

Question 3

functions of liver (3)

Answer 3

metabolic activities
production and secretion of bile
filtration of the blood

Question 4

diaphragm in relation to liver

Answer 4

sup post ant

Question 5

IVC aorta and spine in relation to liver

Answer 5

post

Question 6

stomach spleen left kidney in relation to liver

Answer 6

left lateral

Question 7

right kidney GB and right colon in relation to liver

Answer 7

inferior

Question 8

2 surfaces of liver

Answer 8

diaphragmatic (touching diaphragm)
visceral (touching other organs)

Question 9

what is the bare area (what, boundaries, grooves)

Answer 9

no peritoneum
boundaries formed by coronary land triangular ligaments
includes groove for IVC

Question 10

what divided ant surface of liver

Answer 10

falciform ligament

Question 11

2 methods of liver subdivisions

Answer 11

traditional
functional

Question 12

traditional method of liver lobes

Answer 12

right
(separated. by falciform lig)
left
quadrate
caudate

Question 13

what separates R/L lobe in functional method and what does it sonographically coincide with

Answer 13

imaginary line from GB to IVC

sonographically: MLF and MHV superiorly

Question 14

what is right lobe divided into and by what (plus how is this seen sonographically) (functional method)

Answer 14

ant and post

right intersegmental fissure (seen as RHV/RPV)

Question 15

what is left lobe divided into and by what (plus how is this seen sonographically) (functional method)

Answer 15

med and lat

left intersegmental fissure (LHV, LPV, Lig. teres)

Question 16

caudate lobe (functional method) (where/receives blood)

Answer 16

post/sup in liver
receives blood from both right and left sides of liver

Question 17

in the RIF is the RHV or RPV superior

Answer 17

RHV

Question 18

medial lobe formerly known as the _____ in the traditional method

Answer 18

quadrate

Question 19

what is the ant and post boundaries of the caudate lobe

Answer 19

ant: LPV and lig venosum
post: IVC

Question 20

reidel’s lobe

Answer 20

normal variant where there is an inf extension of R lobe that can extend to iliac crests (seen lots in slim. females)

Question 21

falciform ligament (attaches, where)

Answer 21

peritoneal fold connecting liver to diaphragm and ant abdominal wall

on ant surface

Question 22

lig teres AKA

Answer 22

round lig

Question 23

lig teres remnant of

Answer 23

left umbilical vein

Question 24

lig teres connects to, extends, dividedes

Answer 24

connects to falciform lig on ant/inf surface

extends post on inf surface of liver to join lig venosum at LPV

divides L lobe to med/lat

Question 25

lig venosum remnant of

Answer 25

ductus venosus

Question 26

lig venosum divides _____ and caudate lobe

Answer 26

left lateral lobe

Question 27

lig venosum runs ____ from lig teres at the level of _____ on the _____ surface

Answer 27

posteriorly
porta hepatis
visceral

Question 28

what travels within fissures

Answer 28

vessels and ducts

Question 29

right intersegmental fissure divides/contains

Answer 29

divides R lobe into ant/post

RHV courses more superiorly, RPV courses more inferiorly

Question 30

main lobar fissure divides/contains

Answer 30

divides R/L lobes of liver

MHV courses sup

Question 31

in sag, part of MLF can be seen as a hyperechoic line extending from the _____ to the ______

Answer 31

GB
RPV

Question 32

left intersegmental fissure divides/contains

Answer 32

divides L lobe into med/lat

cranial: LHV
middle: ant portion of LPV
caudal: lig teres