ANATOMY OF LIVER

The Liver

• Largest gland in the body (1.5 Kg)

• Under the diaphragm, within the rib cage in the upper right quadrant of the abdomen

The Liver

•4 Lobes

Major: left and right

Minor: caudate and quadrate

•Ducts

Common hepaticCystic

From gallbladder

Common bile -Choledochus

Joins pancreatic duct at hepatopancreatic ampulla

liver

•Liver lobules – hexagonal structures consisting of hepatocytes• Hepatocytes radiate outward from a central vein•Hepatocytes produce bile

Bile flows through canals called bile canaliculi to a bile duct

Bile ducts leave the liver via the common hepatic duct

• At each of the six corners of a lobule is a portal triad• Liver sinusoids

BLOOD SUPPLY

Liver

Functions of Liver

• Metabolic

Synthesis

Breakdown

Other functions – storage of vitamin A,D,B12,F…

• Excretion of waste products from bloodstream into bile

• Vascular – storage of blood

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