Hepatic Vasculature

Question 1

What do the hepatic veins do?

Answer 1

Drain blood from liver into IVC

Question 2

How does fluid move in the liver?

Answer 2

Oblique excursion in the liver. It flows from anterior to posterior

Question 3

Where is the Hepatic veins located?

Answer 3

Intersegmental fissures

Question 4

Where does the hepatic veins join the IVC?

Answer 4

Just inferior to diaphragm

Question 5

Where does the hepatic veins widen?

Answer 5

It widens in the direction of the IVC as they approached the IVC

Question 6

How much blood does the hepatic artery supply to the liver?

Answer 6

Approx 20-30%

Question 7

What are the two branches of the hepatic artery?

Answer 7

1. Common hepatic
2. Hepatic artery proper

Question 8

What is the common hepatic?

Answer 8

Courses from origin of celiac axis to junction of GDA (gastroduodenal artery). So it courses to the right side

Question 9

What is the hepatic artery proper?

Answer 9

Courses from the GDA to the bifurcation of the right and left hepatic Arteries. Course towards the right side

Question 10

What are hepatic artery proper?

Answer 10

Courses from the GDA to the bifurcation: off the right and left. It also travels superior a and right part of the portal triad

Question 11

What is the porta hepatic?

Answer 11

Exits/ entrances to the liver, it is also called the hilum of the liver

Question 12

What is the portal triad?

Answer 12

Consists of HA, PV, and BD

Question 13

Where is the HAP positioned in regards to common bile duct?

Answer 13

Medial

Question 14

The HAP is positioned ______ to main port vein?

Answer 14

Anterior

Question 15

What is the Right and left hepatic arteries?

Answer 15

Intrahepatic vessels that travel in unison with BD and branch

Question 16

What is the portal Venus system?

Answer 16

Carries nutrient from GI tract and supplies roughly 70-80% of blood to liver

Question 17

Does the Post venous system connect the directly wit the IVC?

Answer 17

Does not

Question 18

The vessel walls of the Portal venous system has brighter scrub walls compared to what?

Answer 18

Hepatic veins on US

Question 19

The MPV is formed by the union of what?

Answer 19

The SMV and SV

Question 20

What does the SMV do?

Answer 20

Drains right small intestine, ascending and transverse colon?

Question 21

What is the portal confluence?

Answer 21

Junction of SMV with SV, which is also the origin of the main portal vein

Question 22

What does the splenic vein do?

Answer 22

Drains spleen pancreas and stomach

Question 23

Where does the splenic vein course?

Answer 23

From the splenic hilum to join SMV. It also travels along the posterior surface of pancreatic body and tail.

Question 24

In terms of the Splenic artery where does the Splenic vein sit?

Answer 24

Inferior

Question 25

Where does the splenic vein terminate?

Answer 25

Behind the neck of the pancreas at the portal of influence

Question 26

In terms of the IVC, SMA, and Renal vessels, where does the SV sit?

Answer 26

Anterior

Question 27

What does the inferior mesenteric vein do?

Answer 27

Drains the left small bowel, descending colon, sigmoid and rectum

Question 28

Where does the Splenic vein join the portal of confluence?

Answer 28

Posterior to the body of the pancreas

Question 29

Is the IMV seen with ultrasound?

Answer 29

No commonly

Question 30

Where is the origin of the main portal vein?

Answer 30

Junction of SMV and SV, and ascends obliquely towards the right.

Question 31

Where is the MPV formed?

Answer 31

Behind the neck of the pancreas

Question 32

Where does the MPV enter in the liver?

Answer 32

At the porta hepatic, posterior to the hepatic artery proper and binary ducts (CBD and CHD).

Question 33

Does the Main portal veins bifurcates?

Answer 33

Yes it bifurcates into left and right portal veins at liver hilum

Question 34

What is the RPV?

Answer 34

Intrasegmental portal veins, anterior and posterior branches within the right lobe

Question 35

What is the LPV

Answer 35

Intrasegmental portal veins which ascends anteriorly and divides into medial and lateral branches within the left lobe

Question 36

The liver has dual blood supply? From where?

Answer 36

1. Hepatic artery 2. Portal veins