Week 3: The Liver, Biliary System and Pancreas

Question 1

What is the embroylogical derivative of the liver?

Answer 1

Ventral Mesogastrium in the foregut

Question 2

What is the function of the liver?

Answer 2

Regulation of glycogen storage

Decomposition of red blood cells

Plasma protein synthesis

Hormone production

Detoxification

Production of bile – accessory digestive gland

Question 3

Location of liver

Answer 3

Can reach 4th rib upon full exhalation ad in right upper quadrant

Question 4

What is the name of the opening to the lesser sac found on the free edge of the lesser omentum

Answer 4

Epiploic foramen/ foramen of winslow

Question 5

What is deepest part of abdominal peritoneal cavity when supine?

Answer 5

Pouch of morrison/ hepatorenal recess

Question 6

What is the bare area of the liver?

Answer 6

Part of the liver where the visceral peritoneum has been obliterated against the posterior abdominal wall

Question 7

What are the surfaces of the liver?

Answer 7

Diaphragmatic and Visceral Surfaces

Question 8

What are the recesses in the abdominal cavity?

Answer 8

subphrenic and hepatorenal recesses

Question 9

What is the blood supply to the liver

Answer 9

Hepatic Artery and Portal Vein each supply equal oxygen to liver but the volume of blood by portal vein: hepatic artery is 80% : 20%.

Hepatic vein (not to be confused with portal veins) are connected to IVC

Question 10

Anterior Surface of liver

Answer 10

Question 11

Embryological derivative of ligament teres

Answer 11

Umbilical Vein

Question 12

Embryological derivative of ligament venosum

Answer 12

ductus venosus

Question 13

Where is the gall bladder

Answer 13

Fundus of gallbladder lies at: tip of 9 costal cartilage where linea semilunaris meets the costal cartilage transpyloric plane (L1)

Question 14

What is on the posterior surfafce of liver

Answer 14

Question 15

What is the visceral surface of the liver

Answer 15

Question 16

What is at the porta hepatis?

Answer 16

The portal hepatis also known as portal triad is the collection of hepatic duct, hepatic artery proper and hepatic portal vein along with nerves and lymphatic.

DAV anterior to posterior

Question 17

Where is the portal triad found?

Answer 17

Hepatoduodenal ligament

Question 18

What is the embroylogical derivative of the falciform ligament

Answer 18

the ventral mesentry which is a part of the embryological foregut and forms a connection between the ventral abdominal wall and the liver.