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Normal Anatomy > Lesson 9 > Flashcards

Lesson 9 Flashcards

1
Q

What are 5 clinical indications for the liver?

A
  1. Fatty liver
  2. Mass
  3. Enlarge liver
  4. Liver function test
    - blood work
  5. General pain
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2
Q

What is the livers principle function? (6)

A
  1. Detoxification
  2. Metabolic breakdown
  3. Removal of old blood cells
    - recycle iron
  4. Secretes bile
  5. Stores several substances
  6. Production of important plasma proteins and hematopoiesis in fetal life
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3
Q

How much bile does the liver secrete everyday?

A

1/2 a pint

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4
Q

What substances does the liver store? (4)

A
  1. Vitamin A
  2. Vitamin B12
  3. Vitamin D
  4. Iron
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5
Q

What 3 different types of cells compose the liver?

A
  1. Hepatocytes
  2. Kupffer cells
  3. Biliary epithelial cells
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6
Q

What do hepatocytes do? (3)

A
  1. Detoxification
    - metabolize
  2. Form bile
  3. Store
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7
Q

What does bile do?

A

Aids in digestion of fats

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8
Q

Where is another place you can find kupffer cells?

A

In the spleen

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9
Q

What do kupffer cells do? (2)

A
  1. Immunity

2. Protects hepatocytes

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10
Q

What do biliary epithelial cells do?

A

Lines the biliary ducts

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11
Q

What kind of system is the hepatic circulation?

A

Dual blood supply system

  • portal veins
  • hepatic arteries
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12
Q

What % do portal veins provide of the blood supply?

A

70-80%

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13
Q

Do portal veins or hepatic arteries have a greater blood flow?

A

Portal vein

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14
Q

Why does the liver have a low incidence of infarction?

A

Due to dual blood supply

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15
Q

Infarction

A

Dying

- losing blood supply

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16
Q

What does the portal system transport?

A

Nutrients from the intestines to the liver

17
Q

What does the liver do to the blood before it gets dumped into the systemic circulation?

A

It gets filtered

18
Q

What are the size of hepatic arteries compared to the portal vein?

A

Smaller

19
Q

What % of hepatic arteries make up the livers blood supply?

A

20-30%

20
Q

What do hepatic arteries do?

A

Provides oxygen to the liver

21
Q

What do ducts do in the liver?

A

Carry bile which helps in digestion

22
Q

Where is the bile brought to after the liver?

A

To the duodenum

23
Q

What makes up the portal triad? (3)

A
  1. Hepatic arteries
  2. Portal veins
  3. Hepatic ducts
24
Q

Where does the portal triad enter the liver?

A

Porta hepatis

- doorway to the liver

25
Q

What ligament wraps around the portal hepatis?

A

Hepatoduodenal ligament

26
Q

What makes up mickeys face?

A

Main portal vein

27
Q

What makes up mickeys left ear?

A

Common bile duct

28
Q

What makes up mickeys right ear?

A

Proper hepatic artery

29
Q

What does the main portal vein divide into? (2)

A
  1. Right portal vein

2. Left portal vein

30
Q

What does the left portal vein branch into?

A

Medial and lateral branch of the left lobe

31
Q

What does the right portal vein branch into?

A

Anterior and posterior branches of the right lobe

32
Q

What is the size of the hepatic bile duct?

A

Under 2mm

33
Q

What is the size of the common bile duct?

A

3mm

Normal Anatomy (47 decks)

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