Anatomy Of The Liver And Biliary Tree ✅ Flashcards

1
Q

What divides the liver anteriorly?

A

Falciform ligament

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2
Q

What divides the liver inferiorly?

A

Round ligament and umbilical fissure

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3
Q

What is the right lobe of the liver divided by?

A

The gall bladder fossa

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4
Q

What is the right lobe of the liver divided into?

A
  • Right hemiliver
  • Quadrate lobe
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5
Q

What is the fourth lobe of the liver called?

A

The caudate lobe

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6
Q

Where is the caudate lobe found?

A

Posteriorly

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7
Q

What does the caudate lobe of the liver surround?

A

The inferior vena cava

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8
Q

What does the biliary tree connect?

A

The liver and the duodenum

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9
Q

What is the primary purpose of the biliary tree?

A

Bile transport and storage

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10
Q

What controls bile transportation and storage?

A

Neuronal and hormonal regulation

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11
Q

Where is bile formed?

A

Hepatocytes

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12
Q

Where is bile transported to after formation in hepatocytes?

A

Extrahepatic ducts

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13
Q

How is bile transported from hepatocytes to extrahepatic ducts?

A

Via the cannaliculi

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14
Q

Where does bile flow from the extrahepatic ducts?

A

Into the small intestine or cystic duct onto the gallbladder

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15
Q

What controls the flow of bile into the small intestine?

A

The sphincter of Oddi

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16
Q

What provides arterial supply to the liver in utero?

A
  • Left hepatic artery
  • Middle hepatic artery
  • Right hepatic artery
17
Q

What is the left hepatic artery derived from?

A

The left gastric artery

18
Q

What is the middle hepatic artery derived from?

A

The coeliac trunk

19
Q

What is the right hepatic artery derived from?

A

The superior mesenteric artery

20
Q

When does the blood supply of the liver assume the adult pattern?

A

During early infancy

21
Q

What happens when the blood supply of the liver assumes the adult pattern?

A

There is atrophy of the right and left hepatic arteries