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Heres a picture of GI circulation
Liver functions
1. Carb, protein, and lipid metabolism
2. Hormone metabolism
3. Detoxification
4. Storage
5. Bile production
6. Immune function
What is the biliary tract?
The organs and ducts that make and store bile and deliver it to the SI
What are some species differences in the Biliary tract?
Ruminants/pigs: sphincter of Oddi is less defined = continuous secretion of bile
Horses: no gull bladder = continuous secretion of bile
Dogs/cats: intermittent secretion = meal dependent
What are the 3 'tubes' that make up the portal triad?
Hepatic artery
Portal Vein
Bile duct
**hepatic and portal vessels go towards central vein, bile dict is the opposite way
Hepatobiliary tract - What do hepatocytes do?
Bile synthesis from cholesterol
Hepatobiliary tract - What does the Canaliculus do?
Bile formation
Hepatobiliary tract - What does the ductules and ducts do?
Modification of bile
Absorption and secretion
Hepatobiliary tract - What does the gallbladder do?
Concentration
Storage
Delivery
Hepatobiliary tract - What does the sphincter of Oddi do?
Regulated delivery of bile to duodenum
Prevention of reflux
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