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Liver: Gross Anatomy
Liver: Gross Anatomy
Makes and secretes bile
Removes and recycles erythrocytes
Includes hepatic lobules
Often located on right side
Image from lecture 26-28
Liver: Microscopic Anatomy
Liver: Microscopic Anatomy
Portal Triad
Includes Portal vein, hepatic artery, and bile duct
Hepatocytes: resident cells in liver
Kupffer cells: resident immune cells in liver
Central vein: combines into hepatic vein where it will go into the caudal vena cava back into the blood
Image from lecture 26-28
Hepatic Circulation
Hepatic Circulation
Hepatic artery: Oxygenated blood from celiac artery
Hepatic vein: brings deoxygenated and detoxified blood to caudal vena cava
Portal vein: brings deoxygenated blood and nutrients from gut
Portal triad(blood moves to central vein, bile moves oppositely from bile lacunae to empty into bile duct)
- Image taken from lecture 26-28
Image taken from: https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.narayanahealth.org%2Fblog%2Fgallstones-the-common-problem%2F&psig=AOvVaw07Vu4TgJ46kcqL7p1mJ9n-&ust=1701551547081000&source=images&cd=vfe&opi=89978449&ved=0CBQQjhxqFwoTCMiZlc-T74IDFQAAAAAdAAAAABAm
Gallbladder
Gallbladder
Stores bile
Cholecystokinin will stimulate gallbladder to release bile
Bile duct empties into duodenum via duodenal papilla
Portal vein in action!
Bile Components
Bile Components
Bile salts
Emulsifies lipids into smaller lipid droplets
Cholesterol
Phospholipids
Bile pigments(bilirubin): gives bile its green color
What organ stores bile?
What organ stores bile?
Gallbladder
What hormone stimulates contraction and release of bile?
What hormone stimulates contraction and release of bile?
Cholecystokinin
What makes up the portal triad?
What makes up the portal triad?
Portal vein, hepatic artery, bile duct
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