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20 Cards in this Set

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What is the function of the Liver?
metabolize and store nutrients (ie glycogen)
detox
synth blood proteins (BP's) - important for colloid pressure
--Albumin
--Fibrinogen
--Lipoprotein
Endocrine secretion of BP's into blood
Synth + secrete bile
What is the structure of the liver?
Stroma and Parenchyma
What is the underlying structure of the stroma?
CT capsule - type I collagen
Reticular fiber network - Type III collagen
What is the underlying structure of parenchyma?
hepatocytes - foregut endoderm derived, 1-2 cells thick and are interconnected
where does the liver grow from?
duodenum
What is the Blood supply to the liver?
75% Hepatic Portal v. - O2 poor
25% hepatic a. - O2
Where is the first location of mixing blood in the liver?
hepatic sinusoids
What is the portal triad and what are the locations in a classic lobule?
portal v.
hepatic a.
bile duct
- portal triad is at corners of classic lobule - 3 - 6 portal triads in one classic lobule
Is the flow of blood and bile in the same direction?
No
Blood flows to center of classic lobule
Bile flows to corners of classic lobule
are there lymphatics included in the portal triad?
no. not a portal quadrad
What is the structure of the liver?
Stroma and Parenchyma
What is the underlying structure of the stroma?
CT capsule - type I collagen
Reticular fiber network - Type III collagen
What is the underlying structure of parenchyma?
hepatocytes - foregut endoderm derived, 1-2 cells thick and are interconnected
where does the liver grow from?
duodenum
What is the Blood supply to the liver?
75% Hepatic Portal v. - O2 poor
25% hepatic a. - O2
Where is the first location of mixing blood in the liver?
hepatic sinusoids
What is the portal triad and what are the locations in a classic lobule?
portal v.
hepatic a.
bile duct
- portal triad is at corners of classic lobule - 3 - 6 portal triads in one classic lobule
Is the flow of blood and bile in the same direction?
No
Blood flows to center of classic lobule
Bile flows to corners of classic lobule
are there lymphatics included in the portal triad?
no. not a portal quadrad
location of each
1 pancreatic duct of wirsung
2 spiral valve of heister
3 sphincter of boyden
1. main pancreatic duct
2. in cystic duct
3. common bile duct - near the joining of CBD and Main Pancreatic duct