Histology: Hepatobiliary System Flashcards Preview

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Flashcards in Histology: Hepatobiliary System Deck (13):
1

Hepatic Lobule

Hexagonal part of a liver surrounded by the portal triad with the central vein in the center

2

Hepatic Acinus

Part of a lobule that includes Zones 1, 2 and 3

3

What is Zone 3 closest to?

Central Vein

4

What is Zone 1 closest to?

The portal triad

5

How can you tell the portal vein from the hepatic artery?

The portal vein is larger and the hepatic artery has a thick layer of smooth muscle

6

How can you identify the bile duct?

It will be surrounded with cuboidal epithelial cells?

7

Sinusoids

Vascular spaces that are lined with fenestrated epithelium that allows blood free access to hepatocytes

8

What allows for the anastamoses of the blood in the liver?

Cords

9

Kupffer Cells

Found in the sinusoids and they police the blood by engulfing pathogens - macrophages of the liver

10

Space of Disse

Contains connective tissue and reticulin fibers that hold the hepatocytes together as well as stellate cells which store vitamin A

11

What kind of blood is found in the sinusoids?

Mixed venous and arterial blood

12

Where does the central vein empty?

Hepatic vein

13

What are the layers of gall bladder?

Mucosa
Serosa/Adventitia

The gallbladder does not have a muscularis mucosa or submucosa.

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