Histo Liver gallbladder and panc

Question 1

Portal Triad

Answer 1

Bile Duct, Portal Vein, Hepatic Artery

Question 2

Blood supply to the liver

Answer 2

Portal vein (75%)- unoxygenated
Hepatic artery (25%) - oxygenated obviously

Question 3

Just to make sure, make damn sure you know that the portal vein carries blood between the capillary bed surrounding the GI tract - stomach and intestines- and the sinusoids of the liver

Answer 3

ok

Question 4

What does a portal canal carry?

Answer 4

Portal triad and lymphatic vessels

Question 5

Blood from the portal vein and hepatic artery combines where?

Answer 5

IN the sinusoids….Where does this blood then flow?

Into a venule called the Central Vein

Question 6

Central Vein flows into what?

Answer 6

Sublobular vein which carries blood to the hepatic veins which then connects with the IVC

Question 7

Portal canals contain?

Answer 7

Portal triads….fucking know it

Question 8

Describe the concept of a classic lobule?

Answer 8

A six sided prism with a portal canal at each corner. Blood from the portal canals dump into the sinusoids, then into the central vein, goes deep into the liver and eventually into the sublobular vein, then to the hepatic veins and eventually to the IVC

Question 9

Hepatocytes make up what percent of the liver?

Answer 9

80%

Question 10

What do hepatocytes do?

Answer 10

Make Proteins, they are involved in storage, metabolism, and waste removal

Question 11

Stellate cells found where?

Answer 11

Distributed among hepatocytes

Question 12

What are Kupffer cells

Answer 12

Macrophages responsible for removing bacteria and damaged rbcs

Question 13

Kupffer cells found where?

Answer 13

Sinusoids

Question 14

What is the space of disse

Answer 14

located between the fenestrated endotehlium of sinusoids and hepatocytes

Question 15

What produces bile?

Answer 15

Hepatocytes

Question 16

Hepatocytes secrete bile into

Answer 16

canaliculi—- bile then travels through the canal of hering—-into intralobular bile ducts and then to right or left hepatic duct

Question 17

Functions of the gallbladder?

Answer 17

Concentrates the bile and stores it during fasting

Secretion

Question 18

What type of epithelium does the gallbladder contain>

Answer 18

Simple columnar

Question 19

What layers of cells does the gallbladder lack?

Answer 19

muscularis mucosae and submucosa

Question 20

Exocrine pancreas organized into?

Answer 20

Acini

Question 21

Acini cells contain

Answer 21

zymogens

Question 22

what the hell are zymogens

Answer 22

They are inactive pancreatic enzymes