Liver

Question 1

LARGEST visceral organ inside the body

LARGEST gland

1500 gms

DOME SHAPED

Answer 1

LIVER

Question 2

Fissure b/w QUADRATE and LEFT LOBES

Answer 2

Fissure for ROUND LIGAMENT and LIGAMENTUM TERES

Question 3

Fissure b/w CAUDATE and LEFT LOBES

Answer 3

Fissure for LIGAMENTUM VENOSUM

Question 4

Fissure b/w RIGHT and QUADRATE LOBES

Answer 4

Fissure for GALLBLADDER

Question 5

Fissure b/w CAUDATE and RIGHT LOBES

Answer 5

Fissure for IVC

Question 6

Divides the liver into RIGHT and LEFT lobes

Answer 6

FALCIFORM LIGAMENT

Question 7

Right lobe is further subdivided into

Answer 7

Quadrate and Caudate Lobes

Question 8

Functional segments (Couinaud) of the liver

Answer 8

CAUDATE - I
Lateral superior - II
Lateral inferior - III
Medial superior - IV A
QUADRATE - Medial inferior - IV B
Anterior inferior - V
Posterior inferior - VI
Posterior superior - VII
Anterior superior - VIII

Question 9

Formed by the UNION of SUPERIOR MESENTERIC and SPLENIC VEINS

Answer 9

PORTAL VEIN (70%)

supply 70% deoxygenated blood

Question 10

Branch of CELIAC ARTERY

Answer 10

HEPATIC ARTERY (30%)

supply 30% oxygenated blood

Question 11

Hemorrhage from the liver can be controlled by CLAMPING this ligament

Answer 11

HEPATODUODENAL LIGAMENT

PRINGLE MANEUVER

Question 12

Organization of the liver

Answer 12

Hepatic lobule
Portal lobule
Liver acinus

Question 13

Hexagonal
1 central vein at center
6 portal triad at sides

Answer 13

HEPATIC LOBULE (Classical liver lobule)

Question 14

Apices of triangular cross sections of portal lobules are central veins; portal areas form the center of these lobules

based on BILE FLOW

Answer 14

PORTAL LOBULE

Question 15

“Acinus of Rappaport”

Based on BLOOD FLOW

DIAMOND shaped area

Answer 15

LIVER ACINUS

zone 1 - closest to the portal tract; receives most oxygen

zone 1

zone 3 - farthest and receives LEAST oxygen; most susceptible to ischemic injury