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ANHP 205 > Hepatic Vasculature > Flashcards

Hepatic Vasculature Flashcards

1
Q

What do the hepatic veins do?

A

Drain blood from liver into IVC

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2
Q

How does fluid move in the liver?

A

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

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3
Q

Where is the Hepatic veins located?

A

Intersegmental fissures

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4
Q

Where does the hepatic veins join the IVC?

A

Just inferior to diaphragm

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5
Q

Where does the hepatic veins widen?

A

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

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6
Q

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

A

Approx 20-30%

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7
Q

What are the two branches of the hepatic artery?

A
  1. Common hepatic
  2. Hepatic artery proper
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8
Q

What is the common hepatic?

A

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

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9
Q

What is the hepatic artery proper?

A

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

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10
Q

What are hepatic artery proper?

A

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

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11
Q

What is the porta hepatic?

A

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

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12
Q

What is the portal triad?

A

Consists of HA, PV, and BD

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13
Q

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

A

Medial

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14
Q

The HAP is positioned ______ to main port vein?

A

Anterior

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15
Q

What is the Right and left hepatic arteries?

A

Intrahepatic vessels that travel in unison with BD and branch

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16
Q

What is the portal Venus system?

A

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

17
Q

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

A

Does not

18
Q

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

A

Hepatic veins on US

19
Q

The MPV is formed by the union of what?

A

The SMV and SV

20
Q

What does the SMV do?

A

Drains right small intestine, ascending and transverse colon?

21
Q

What is the portal confluence?

A

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

22
Q

What does the splenic vein do?

A

Drains spleen pancreas and stomach

23
Q

Where does the splenic vein course?

A

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

24
Q

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

A

Inferior

25
Q

Where does the splenic vein terminate?

A

Behind the neck of the pancreas at the portal of influence

26
Q

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

A

Anterior

27
Q

What does the inferior mesenteric vein do?

A

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

28
Q

Where does the Splenic vein join the portal of confluence?

A

Posterior to the body of the pancreas

29
Q

Is the IMV seen with ultrasound?

A

No commonly

30
Q

Where is the origin of the main portal vein?

A

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

31
Q

Where is the MPV formed?

A

Behind the neck of the pancreas

32
Q

Where does the MPV enter in the liver?

A

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

33
Q

Does the Main portal veins bifurcates?

A

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

34
Q

What is the RPV?

A

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

35
Q

What is the LPV

A

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

36
Q

The liver has dual blood supply? From where?

A
  1. Hepatic artery
  2. Portal veins

ANHP 205 (20 decks)

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