Liver, Gallbladder, And Pancreas Lecture 10/13/21

Question 1

Liver function (3)

Answer 1

• Metabolic
• Exocrine
• Endocrine

Question 2

Liver blood flow

Answer 2

Input-> Portal vein and hepatic artery

Output-> Hepatic veins to inferior vena cava to heart

Question 3

Central vein

Answer 3

Where sinusoids drain into

Question 4

Portal triad

Answer 4

Portal vein
Hepatic artery
Bile duct

Question 5

Direction of flow of blood/bile

Answer 5

Blood flows through sinusoids to the central vein

Lymph is generated in hepatocytes and drains toward bile duct

Question 6

Liver lobules

Answer 6

Hexagonal arrangement with central vein at the center

Question 7

Hepatic acinus

Answer 7

Oval between two central veins

Question 8

Kupffer cells

Answer 8

Liver macrophages, derived from monocytes

Question 9

Ito cells

Answer 9

Store vitamin A, generate scar tissue

Question 10

Bile canaliculus

Answer 10

Sealed by tight junctions between hepatocytes, involved in bile secretion

Question 11

Sinusoidal domain

Answer 11

Lines the sinusoid, full of microvilli, space of disse

Question 12

Space of disse

Answer 12

Peri sinusoidal, lined with reticular fibers to slow flow

Question 13

Gallbladder layers

Answer 13

Simple columnar epithelium
Lamina propria
Muscularis (irregular)
Serosa/Adventitia

Question 14

Pancreas structure

Answer 14

Lobular with septa separating lobules

Question 15

Serous acini

Answer 15

Orange like look with apical eosinophilic secretion

Question 16

Intralobular ducts

Answer 16

Secrete large amounts of bicarbonate rich fluids

Question 17

Two types of ducts

Answer 17

Interlobualar

Intralobular