(EC)(USMLE) 20140929 anatomy of the liver ms duongy4

LIVER ANATOMYcirrhosis SUBGROUP 3 usmle group... LIVER ANATOMY Location & anatomy divisions Hepatic circulation Portacaval anastomosis Microscopic Anatomy... Overview & Relations of th

LIVER ANATOMY

cirrhosis SUBGROUP 3

usmle group

LIVER ANATOMY

Location &

anatomy

divisions

Hepatic circulation

Portacaval anastomosis

Microscopic Anatomy

Overview & Relations of the liver

• largest gland

• occupies most of the right hypochondrium and epigastrium

• dark reddish brown

• soft solid, friable, easily lacerated

& highly vascular

4 lobes of the liver

4 surfaces and external features of the liver

• largest gland

• occupies most of the right hypochrondrium and epigastrium

• ♀1,4-1,6kg

♂ 1,2-1,4kg

• dark reddish brown

• Soft solid, friable, easily lacerated

& highly vascular

Relations of the liver

• largest gland

• occupies most of the right hypochrondrium and epigastrium

• ♀1,4-1,6kg

♂ 1,2-1,4kg

• dark reddish brown

• Soft solid, friable, easily lacerated

& highly vascular

The fissures and sectors

of the liver

(Right lateral =right posterior; right medial =right anterior.)

Segments of the liver

Hepatic circulation

Biliary tree

Portacaval anastomosis

Region Name of clinical

condition Portal circulation Systemic circulation

Esophageal Esophageal varices Esophageal branch of

left gastric vein Esophageal branches of Azygos vein

Rectal Rectal varices Superior rectal vein Middle rectal veins and

inferior rectal veins

Paraumbilical Caput medusa Paraumbilical veins Superficial epigastric

vein Intrahepatic Patent ductus venosus

(TIPS) Left branch of portal vein Inferior vena cava

Hepatic microstructure