Lesson 2B (Part 4) Flashcards
What do hepatic veins drain?
The liver
What makes up the left, middle and right hepatic veins?
The merging of the central veins
Where do the hepatic veins exit?
From the posterior surface of the liver
Where do the hepatic veins empty?
Directly into the IVC
What does the hepatic portal system drain? (3)
All of the nutrient rich blood from the…
- Stomach
- Pancreas
- Spleen
Where does the hepatic portal system deliver the blood? Through what? (2)
- To the liver to be processed
2. Via the portal vein
What must all blood from the digestive system do before entering the IVC?
Pass through the liver
What is the path of blood starting from the IMV to the IVC? (7)
- IMA carries the blood to the splenic vein
- The splenic vein with the SMV take the blood to the hepatic portal vein
- The hepatic portal vein take it to the left and right portal veins
- The left and right portal veins carry it a continual branch systems and then the sinusoids in the liver lobule
- Then travels to the central veins of the sinusoids
- From the central veins it go to the hepatic veins
- From the hepatic veins it goes to the IVC
What do portal veins contain?
Nutrient rich blood
- from the food we have eaten
What forms the portal vein? (2)
- Splenic veins
2. SMV
What does the liver do to the blood that just entered it?
Cleans it before it gets distributes to the rest of the body
What type of blood do veins carry?
Deoxygenated blood
What gets produced as blood gets filtered in the liver?
Bile
Where does the bile go once its produced?
To the bile duct
- gets stored
When blood is high in nutrients, what happens to the oxygen?
Oxygen poor
When blood is low in nutrients, what happens to the oxygen?
Oxygen rich
Where does the superior mesenteric vein drain? (4)
- Small intestines
- Cecum
- Ascending colon
- Transverse colon
Where does the superior mesenteric vein terminate?
Behind the neck of the pancreas where it joins the splenic vein to form the hepatic portal vein
Where does the inferior mesenteric vein drain? (3)
- Descending colon
- Sigmoid colon
- Rectum
Where does the inferior mesenteric vein empty?
Into the splenic vein posterior to the pancreatic body
What does the splenic vein drain? (2)
- Spleen
2. Pancreas
Where does the splenic vein travel?
Posterior to the pancreas, joins SMV posterior to the pancreatic neck to form the hepatic portal vein
What does the superior mesenteric vein and the splenic vein form?
The portal confluence
