16. Hepatic Portal Vein Tributaries: Portacaval Anastomoses

Question 1

Identify 1

Answer 1

1. Paraumbilical veins

Question 2

Identify 1

Answer 2

1. Paraumbilical veins

Question 3

Identify 2 -> 3

Answer 3

2. Right gastric vein

3. Hepatic portal vein

Question 4

Identify 4

Answer 4

4. Superior mesenteric vein

Question 5

Identify 5 -> 7

Answer 5

5. Middle colic vein
6. Right colic vein
7. Ileocolic vein

Question 6

Identify 8 -> 9

Answer 6

8. Inferior rectal veins

9. Middle rectal veins

Question 7

The hepatic portal vein is formed by ___

Answer 7

the union of the splenic vein and superior mesenteric vein.

Question 8

Identify 10

Answer 8

10. Left and right superior rectal veins

Question 9

Identify 11 -> 13

Answer 9

11. Left colic vein
12. Inferior mesenteric vein
13. Splenic vein

Question 10

Identify 14

Answer 10

14. Left gastric vein

Question 11

Identify 15

Answer 11

15. Esophageal veins

Question 12

Important portacaval anastomotic sites include sites around (1)____ (3 sites), and where portions of the gastrointestinal tract are in a (2)___ position.

Answer 12

1. the esophagus, the paraumbilical region, the rectum

2. retroperitoneal

Question 13

If portal blood flow is decreased or prevented from flowing through the liver, the venous blood still can reach the heart via ___

Answer 13

important portacaval anastomoses

Question 14

if the inferior vena cava is partially compressed or obstructed, venous blood can flow via the ___ into the portal system of veins.

Answer 14

portacaval anastomoses

Question 15

if the inferior vena cava is partially compressed or obstructed, venous blood can flow via the portacaval anastomoses into the ___

Answer 15

portal system of veins.