Hepatic Portal System Flashcards Preview

A&P 3.1 > Hepatic Portal System > Flashcards

Flashcards in Hepatic Portal System Deck (21):
1

How long is the hepatic portal system?

8 cm

2

The hepatic portal system carries blood from the ________ to the _______.

Digestive system
Liver

3

In general, what does the hepatic portal system do?

Filters the things we eat

4

What does the pancreatic vein drain into?

Splenic vein

5

What does the inferior mesenteric vein drain into?

Splenic vein

6

The ________ vein joins with the _______ vein to form the hepatic portal vein

Splenic
Superior mesenteric

7

Which two veins drain into the hepatic portal vein?

Gastric vein
Cystic vein

8

Where does blood from the hepatic portal vein flow?

The sinusoid capillaries of the liver

9

How does blood leave the liver?

Via central veins

10

What do the central veins of the liver form?

Hepatic veins

11

What do the hepatic veins drain to?

Inferior vena cava

12

What does the splenic vein drain?

drains spleen, some pancreas, some stomach

13

What does the inferior mesenteric vein drain?

Drains whole large intestine

14

What does the superior mesenteric vein drain?

Drains small intestine, some stomach, some pancreas

15

What does the gastric vein drain?

The stomach

16

What drains the gallbladder?

Cystic vein

17

By what 2 processes does the liver filer things out?

Cells of the liver remove toxic substances by altering their structure (out as feces) or by making them water-soluble so the kidneys can excrete them

18

The liver gets low O2 blood from the ___________ and high O2 blood from the ___________?

hepatic portal vein
hepatic artery

19

What is the "side" system of veins in the thorax?

Azygos system

20

Where does the azygos system drain?

Superior vena cava

21

If the inferior vena cava is obstructed, how can it still drain?

the azygos (and hemi-azygos) and an important means by which venous circulation is carried on